Agave Dragon
EARTH2+ monsters, except Tokens If this card is Link Summoned: You can apply these effects in sequence, depending on the Types of monsters in the GYs (skip over any that do not apply). You can only use this effect of "Agave Dragon" once per turn. ● Inflict 100 damage to your opponent for each Dragon. ● This card gains 200 ATK for each Dinosaur. ● All monsters your opponent currently controls lose 300 ATK for each Sea Serpent. ● You gain 400 LP for each Wyrm.
Altergeist Emulatelf
Special Summon this card as an Effect Monster (Spellcaster/LIGHT/Level 4/ATK 1400/DEF 1800). (This card is also still a Trap.) If Summoned this way, while it is in the Monster Zone, other "Altergeist" Traps you control cannot be destroyed by card effects, also neither player can target them with card effects.
Altergeist Kidolga
DARK2 "Altergeist" monsters When another "Altergeist" monster you control inflicts battle damage to your opponent: You can target 1 monster in their GY; Special Summon it to your zone this card points to, but each turn, it cannot attack unless this card has already declared an attack that turn. If this card is destroyed by battle: You can target 1 "Altergeist" card in your GY; add it to your hand.
Altergeist Multifaker
DARKIf you activate a Trap Card (except during the Damage Step): You can Special Summon this card from your hand. If this card is Special Summoned: You can Special Summon 1 "Altergeist" monster from your Deck in Defense Position, except "Altergeist Multifaker". You cannot Special Summon monsters the turn you activate this effect, except "Altergeist" monsters. You can only use each effect of "Altergeist Multifaker" once per turn.
Altergeist Pixiel
WINDYou can Tribute this card; excavate the top 3 cards of your Deck, add 1 excavated "Altergeist" card to your hand, also send the rest to the GY. You can only use this effect of "Altergeist Pixiel" once per turn.
Alviss of the Nordic Alfar
DARKIf only this card is banished by the effect of a "Nordic" Link Monster: You can send to the GY, 1 "Nordic" monster you control and 2 "Nordic" monsters from your Deck, whose total Levels equal 10, then Special Summon 1 "Aesir" monster from your Extra Deck. If an "Aesir" monster(s) in your possession is sent to your GY by your opponent's card: You can banish this card from your GY; Special Summon 1 "Aesir" monster from your Extra Deck, with a different name from the cards in your GY. You can only use this effect of "Alviss of the Nordic Alfar" once per Duel.
Background Dragon
DARKIf this card is in the GY and you control no cards: You can Special Summon both this card, and 1 Level 4 or lower Dragon monster from your hand, in Defense Position, but banish this card when it leaves the field. You can only use this effect of "Background Dragon" once per turn.
Backup Operator
LIGHTYou can target 1 face-up monster that a Link Monster you control points to; Special Summon this card from your hand, and if you do, return that monster to the hand. If Special Summoned this way, banish this card when it leaves the field. You can only use this effect of "Backup Operator" once per turn.
Ballista Squad
Tribute 1 monster, then target 1 card your opponent controls; destroy it.
Bearblocker
DARKDuring your opponent's turn, Set cards in your Spell & Trap Zones cannot be destroyed by card effects. If a Set card(s) in your Spell & Trap Zone is destroyed by an opponent's card effect: This card gains 800 ATK until the end of this turn.
Beast Magic Attack
Remove Spell Counters from your field to activate 1 of these effects. ● 2: Return 1 "Mythical Beast" Pendulum Monster you control to the hand. ● 4: Special Summon 1 face-up "Mythical Beast" Pendulum Monster from your Extra Deck, then you can place 2 Spell Counters on it. ● 6: Special Summon 1 face-up Pendulum Monster from your Extra Deck. You can only activate 1 "Beast Magic Attack" per turn.
Beat, Bladesman Fur Hire
EARTHDuring your Main Phase: You can Special Summon 1 monster "Fur Hire" from your hand, except "Beat, Bladesman Fur Hire". If a monster "Fur Hire" is Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 monster "Fur Hire" from your Deck to your hand, except "Beat, Bladesman Fur Hire". You can only use each effect of "Beat, Bladesman Fur Hire" once per turn.
Borrel Regenerator
Activate this card by targeting 1 "Rokket" monster in your GY; Special Summon it and equip it with this card, but banish it when this card leaves the field. If this card is sent to the GY because the equipped monster is destroyed: You can draw 1 card. You can only use each effect of "Borrel Regenerator" once per turn.
Borrelsword Dragon
DARK3+ Effect Monsters Cannot be destroyed by battle. Once per turn (Quick Effect): You can target 1 Attack Position monster; change it to Defense Position, also, this card can make a second attack during each Battle Phase this turn. Your opponent cannot activate cards or effects in response to this effect's activation. Once per turn, when this card declares an attack on a face-up monster: You can activate this effect; until the end of this turn, this card gains ATK equal to half that monster's current ATK, and if it does, that monster's current ATK is halved.
Boycotton
EARTHYou take any battle damage your opponent would have taken from battles involving this card, instead. If this card battles, is not destroyed, and you took damage from that battle: Return this card to the hand.
Bravo, Fighter Fur Hire
FIREDuring your Main Phase: You can Special Summon 1 monster "Fur Hire" from your hand, except "Bravo, Fighter Fur Hire". If a monster "Fur Hire" is Special Summoned to your field while you control this monster (except during the Damage Step): You can have all monsters "Fur Hire" currently on the field gain 500 ATK/DEF until the end of this turn. You can only use each effect of "Bravo, Fighter Fur Hire" once per turn.
Called by the Grave
Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.
Celestial Observatory
Place 1 Level 6 monster from your hand or face-up field on the bottom of the Deck; draw 2 cards. You can only activate 1 "Celestial Observatory" per turn.
Centerfrog
WATERCannot be used as material for a Fusion, Synchro, Xyz, or Link Summon. If this card is Normal or Flip Summoned: Change it to Defense Position. Once per turn: You can target 1 monster in your opponent's Main Monster Zone; give your opponent control of this Defense Position card by moving it to their zone adjacent to the target, then if your opponent controls exactly 2 "Centerfrog" in the Main Monster Zone, gain control of all monsters in between those 2 cards.
Clock Spartoi
DARK2 Cyberse monsters If this card is Link Summoned: You can add 1 "Cynet Fusion" from your Deck to your hand. If a monster(s) is Special Summoned to a zone(s) this card points to (except during the Damage Step): You can target 1 Level 4 or lower Cyberse monster in your GY; Special Summon it, but negate its effects, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Fusion Monsters. You can only use each effect of "Clock Spartoi" once per turn.
Clock Wyvern
WINDIf this card is Normal or Special Summoned: You can halve this card's ATK, and if you do, Special Summon 1 "Clock Token" (Cyberse/WIND/Level 1/ATK 0/DEF 0). You can only use this effect of "Clock Wyvern" once per turn.
Cluster Congester
LIGHTIf this card is Normal or Special Summoned and you control no Link Monsters: You can Special Summon 1 "Congester Token" (Cyberse/DARK/Level 1/ATK 0/DEF 0). You can only use this effect of "Cluster Congester" once per turn. Once per Battle Step, if a Link Monster you control is attacked (Quick Effect): You can banish this card from your GY and that Link Monster; Special Summon "Congester Tokens", up to the number of Link Monsters your opponent controls.
Concentrating Current
Target 1 face-up monster you control; it gains ATK equal to its current DEF, until the end of this turn. Other monsters you control cannot attack during the turn you activate this card.
Consolation Prize
If a monster(s) is sent from the hand to the GY: Target 1 of them; Special Summon it to your field. You can only activate 1 "Consolation Prize" per turn.
Contact Gate
Banish 2 "Neo-Spacian" monsters with different names from your GY; Special Summon 2 "Neo-Spacian" monsters with different names from your hand, Deck, and/or GY, also, for the rest of this turn you cannot Special Summon monsters from the Extra Deck, except Fusion Monsters. If a face-up Fusion Monster that lists "Elemental HERO Neos" as material returns from your field to the Extra Deck: You can banish this card from your GY; Special Summon 1 of your banished "Neo-Spacian" monsters. You can only activate 1 "Contact Gate" per turn.
Cosmo Brain
DARKCannot be Normal Summoned/Set. Must first be Special Summoned by sending 1 non-Effect Monster from your hand or face-up field to the GY. This card gains ATK equal to the Level of the monster sent to the GY this way x 200. You can Tribute 1 Effect Monster; Special Summon 1 Normal Monster from your hand or Deck. You can only use this effect of "Cosmo Brain" once per turn.
Cross Breed
Banish 2 monsters from your hand and/or face-up field with the same original Type and Attribute, but different names; add 1 monster with the same original Type and Attribute as those monsters, but a different name, from your Deck to your hand. You can only activate 1 "Cross Breed" per turn.
Crusadia Arboria
WATERYou can Special Summon this card (from your hand) in Defense Position to your zone a Link Monster points to. You can only Special Summon "Crusadia Arboria" once per turn this way. If a "Crusadia" monster(s) you control would be destroyed by battle or card effect, you can banish this card from your field or GY instead. You can only use this effect of "Crusadia Arboria" once per turn.
Crusadia Draco
WINDYou can Special Summon this card (from your hand) in Defense Position to your zone a Link Monster points to. You can only Special Summon "Crusadia Draco" once per turn this way. If this card is Normal or Special Summoned to a zone a Link Monster points to: You can target 1 "Crusadia" card in your GY, except "Crusadia Draco"; add it to your hand. You can only use this effect of "Crusadia Draco" once per turn.
Crusadia Equimax
LIGHT2+ Effect Monsters, including a Link Monster Gains ATK equal to the combined original ATK of all monsters this card points to. Monsters this card points to cannot attack. Once per turn (Quick Effect): You can Tribute 1 "Crusadia" or "World Legacy" monster this card points to, then target 1 face-up card your opponent controls; negate its effects until the end of this turn.