A mermaid who serves as a herald to the Ocean Lord. She protects the sacred domain of Atlantis.
Both players must Set Spell Cards before activating them, and cannot activate them until their next turn after Setting them.
Once per turn: You can target 1 card your opponent controls; toss a coin 3 times and destroy that target if at least 2 of the results are heads.
When a Spell Card is activated: Discard 1 Spell; negate the activation, and if you do, destroy it, and if you do that, your opponent cannot activate Spell Cards with that name for the rest of this Duel.
(Quick Effect): You can discard this card to the GY, then target 1 card in your opponent's GY; banish that target.
Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 Fiend monsters from your GY. During the End Phase, if this card is in your GY because it was destroyed in your Monster Zone by an opponent's card and sent there this turn: Target 1 face-up monster your opponent controls; equip this card to that target. While this card is equipped to a monster by this effect, take control of that monster.
Cannot be Special Summoned from the GY. Negate the effects of monsters destroyed by battle with Fiend monsters you control.
Tribute 1 DARK monster with 2000 or more ATK; look at your opponent's hand, all monsters they control, and all cards they draw until the end of their 3rd turn after this card's activation, and destroy all those monsters with 1500 or less ATK.
This card can be treated as 2 Tributes for the Tribute Summon of a DARK monster.
Special Summon 1 "Metal Fiend Token" (Fiend/DARK/Level 1/ATK 0/DEF 0). It cannot attack. Your opponent takes any battle damage you would have taken from battles involving it. Once per turn, during your Standby Phase, pay 1000 LP or destroy this Token.
When this card is destroyed by battle and sent to the Graveyard: Inflict 500 damage to your opponent, then you can Special Summon any number of "Giant Germs" from your Deck in face-up Attack Position.
Destroy 1 face-up Attack Position monster with the highest ATK. (If it is a tie, you get to choose.)
FLIP: Excavate cards from the top of your Deck until you excavate a Spell/Trap, then add that card to your hand, also send the remaining cards to the GY.
Your opponent cannot draw cards except during Draw Phases.
Negate the activation and effect of an Effect Monster whose effect activated when a monster was Normal Summoned (even itself), and destroy that Effect Monster.
You can send this card to the GY; Special Summon 2 Level 3 or lower Beast monsters from your Deck, but their effects are negated, also they are destroyed during the End Phase. You can only use this effect of "Rescue Cat" once per turn.
While you control a monster, you take no battle damage.
If you control "Dark Magician": Target 1 monster your opponent controls; destroy that target.
Activate only if your opponent has 4 or more cards in their hand. Look at your opponent's hand, select 1 Monster Card in it, and return that card to its owner's Deck.
During your Main Phase: You can send this face-up card to the GY; inflict 1000 damage to your opponent for each of your Standby Phases that have passed since this card was activated.