A Major Upset
Tribute 1 face-up Attack Position Level 2 or lower monster you control; return all Level 7 or higher Special Summoned monsters to the hand.
Advance Draw
Tribute 1 face-up Level 8 or higher monster you control; draw 2 cards.
Aegis of the Ocean Dragon Lord
Until the End Phase, face-up Level 3 or lower WATER monsters you control cannot be destroyed by battle or by card effects.
Ancient Crimson Ape
LIGHTWhen a monster(s) you control is destroyed and sent to the Graveyard, gain 1000 Life Points.
Ancient Fairy Dragon
LIGHT1 Tuner + 1+ non-Tuner monsters During your Main Phase: You can Special Summon 1 Level 4 or lower monster from your hand. You cannot conduct your Battle Phase the turn you activate this effect. During your Main Phase: You can destroy as many cards in the Field Zones as possible (min. 1), and if you do, gain 1000 LP, then you can add 1 Field Spell with a different name than the destroyed card(s), from your Deck to your hand. You can only use each effect of "Ancient Fairy Dragon" once per turn.
Ancient Forest
When you activate this card, change any Defense Position monster(s) to face-up Attack Position. Flip Effects are not activated at this time. If a monster attacks, destroy it at the end of that turn's Battle Phase.
Ancient Leaf
If you have 9000 or more Life Points, you can pay 2000 Life Points to draw 2 cards.
Ancient Sacred Wyvern
LIGHT1 LIGHT Tuner + 1 or more non-Tuner monsters While your LP is higher than your opponent's, this card gains ATK equal to the difference. While your LP is lower than your opponent's, this card loses ATK equal to the difference. When this card is destroyed by battle and sent to the Graveyard: You can pay 1000 LP; Special Summon this card.
Arcana Knight Joker
LIGHT"Queen's Knight" + "Jack's Knight" + "King's Knight" A Fusion Summon of this card can only be done with the above materials. Once per turn, when a Spell/Trap Card, or monster effect, is activated that targets this face-up card on the field (Quick Effect): You can discard the same type of card (Monster, Spell, or Trap); negate the effect.
Archfiend Zombie-Skull
DARK"Plaguespreader Zombie" + 2+ non-Tuner Zombie monsters Zombie monsters you control cannot be destroyed by card effects.
Armed Sea Hunter
WATERAfter damage calculation, if this card battles an Effect Monster: Negate the effects of that monster (including in the Graveyard). You must control another face-up WATER monster to activate and to resolve this effect. If this card would be destroyed, you can destroy 1 face-up Level 3 or lower WATER monster you control instead.
Armityle the Chaos Phantasm
DARK"Uria, Lord of Searing Flames" + "Hamon, Lord of Striking Thunder" + "Raviel, Lord of Phantasms" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control. (You do not use "Polymerization".) Cannot be destroyed by battle. Gains 10,000 ATK during your turn only.
Armored Axon Kicker
EARTHIf you control a face-up Psychic-Type monster, you can Normal Summon this card without Tributing. If this card destroys an opponent's monster by battle, you take damage equal to half the destroyed monster's ATK. Then, you can Special Summon 1 monster from your Graveyard with ATK less than or equal to the damage you took.
At One With the Sword
Activate while the only monster you control is 1 face-up "X-Saber" monster. Equip this card to that monster. It gains 800 ATK. If it destroys your opponent's monster by battle, draw 1 card.
Battle of the Elements
Activate only while all monsters on the field are face-up. Both players send monsters they control to the Graveyard so that they each control only 1 Attribute.
Battle Teleportation
Activate if you control only 1 face-up Psychic-Type monster, and select that monster. It can attack your opponent directly this turn. At the end of the Battle Phase, give control of that monster to your opponent.
Beast Machine King Barbaros Ür
EARTHYou can Special Summon this card (from your hand) by banishing 1 Machine-Type monster and 1 Beast-Warrior-Type monster from your hand, field, and/or Graveyard. If this card attacks or is attacked, your opponent takes no battle damage.
Blackwing - Fane the Steel Chain
DARKThis card can attack your opponent directly. If this card inflicts battle damage to your opponent by a direct attack: Target 1 Attack Position monster your opponent controls; change that target to Defense Position.
Blackwing - Mistral the Silver Shield
DARKIf this card on the field is destroyed and sent to the Graveyard: Reduce the next battle damage you would take this turn to 0.
Blackwing - Vayu the Emblem of Honor
DARKThis face-up card on the field cannot be used as a Synchro Material. If this card is in the Graveyard: You can target 1 non-Tuner "Blackwing" monster in your Graveyard; banish both this card and that target, and if you do, Special Summon 1 "Blackwing" Synchro Monster from your Extra Deck whose Level equals the total Levels of the banished monsters, but its effects are negated.
Brain Research Lab
Once per turn, you can Normal Summon 1 Psychic-Type monster in addition to your Normal Summon or Set. If successful, place 1 Psychic Counter on this card. You can also place 1 Psychic Counter on this card instead of paying Life Points to activate any Psychic-Type monster's effect that you control. When this card is removed from the field, the controller of this card takes 1000 damage for each Psychic Counter on it.
Card Blocker
EARTHWhen this card is Summoned: Change it to Defense Position. When a face-up monster you control is targeted for an attack: You can change the target to this card. When this card is targeted for an attack: You can choose a number from 1 to 3, then send that many cards from the top of your Deck to the Graveyard; this card gains 500 DEF for each card sent, until the End Phase.
Card Guard
DARKIf this card is Normal or Special Summoned: Place 1 Guard Counter on it. This card gains 300 ATK for each Guard Counter on it. Once per turn: You can target 1 other face-up card you control; remove 1 Guard Counter from this card, and if you do, place 1 Guard Counter on that target (if that card would ever be destroyed, remove 1 Guard Counter from it instead).
Core Blaster
Equip only to a "Koa'ki Meiru" monster. If it battles a LIGHT or DARK monster, destroy that monster without applying damage calculation. When the equipped monster is removed from the field and this card is sent to the Graveyard, you can return this card to your hand.
Core Compression
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand and discard 1 "Koa'ki Meiru" monster to activate this card. Draw 2 cards.
Core Reinforcement
Select and Special Summon 1 "Koa'ki Meiru" monster from your Graveyard in Attack Position. When that monster is destroyed during your End Phase, the controller of this card takes damage equal to that monster's ATK. When this card is removed from the field, destroy that monster. When that monster is destroyed, destroy this card.
Cyborg Doctor
EARTHOnce per turn, you can Tribute 1 Tuner monster you control to Special Summon a monster from your Graveyard with the same Attribute and Level as the Tributed monster.
Damage Translation
Halve all effect damage you take this turn. During the End Phase this turn, Special Summon 1 "Ghost Token" (Fiend-Type/DARK/Level 1/ATK 0/DEF 0) in Defense Position for each time you took effect damage this turn.
Darksea Float
DARKWhen this card on the field is destroyed by a card effect and sent to the Graveyard, the owner of this card draws 1 card.
Darksea Rescue
DARKIf this card is used for a Synchro Summon and sent to the Graveyard, the owner of this card draws 1 card.