Special Summon 1 Metal Fiend Token (Fiend-Type/DARK/Level 1/ATK 0/DEF 0). It cannot attack. When this Token battles, the opponent takes any Battle Damage its controller would have taken. Pay 1000 Life Points during each of your Standby Phases. If you do not, destroy the Metal Fiend Token. More detail.

When this card is destroyed by battle and sent to the Graveyard, inflict 500 damage to your opponent. You can also Special Summon up to 2 Giant Germs from your Deck in face-up Attack Position. More detail.

FLIP: Pick up cards from the top of your Deck until you pick up a Spell Card or Trap Card. Add that card to your hand. Send the remaining cards to the Graveyard. More detail.

During your Main Phase, you can send this card to the Graveyard to inflict 1000 points of damage to your opponent for each of your Standby Phases that have passed since this card was activated. More detail.

Activate only when 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. More detail.

This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 3 Fiend-Type monsters in your Graveyard. If card is destroyed by battle, or by your opponent's card effect while it is a Monster Card, equip it to a monster your opponent controls during the End Phase of this turn. Take control of the equipped monster. More detail.

Once per turn, you can toss a coin 3 times. If at least 2 of the results are Heads, destroy 1 card your [opponent controls. More detail.

Negate the effects of Effect Monsters destroyed by battle with Fiend-Type monsters you control. This card cannot be Special Summoned from the Graveyard. More detail.

Tribute 1 DARK monster with 2000 or more ATK. Check your opponent's hand, all monsters your opponent controls, and all cards they draw (until the end of your opponent's 3rd turn after this card's activation), and destroy all monsters with 1500 or less ATK. More detail.

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. More detail.

Both players must Set Spell Cards before activating them, and cannot activate them until their next turn. More detail.

A mermaid who serves as herald of the Ocean Lord. She protects the sacred domain of Atlantis. More detail.

While this card is face-up on the field, your opponent cannot draw a card(s) except during Draw Phases. More detail.

This card can be treated as 2 Tributes for the Tribute Summon of a DARK monster. More detail.

You can send this face-up card to the Graveyard to Special Summon 2 Level 3 or lower Beast-Type monsters from your Deck. Those monsters are destroyed during the End Phase. More detail.

During either player's turn, you can discard this card to your Graveyard to remove from play 1 card in your opponent's Graveyard. More detail.

Destroy 1 face-up Attack Position monster that has the highest ATK. (If it's a tie, you get to choose.) More detail.

Activate only while you control a face-up Dark Magician. Destroy 1 monster your opponent controls. More detail.

Discard 1 Spell Card. Negate the activation and the effect of a Spell Card and destroy it. Your opponent cannot activate Spell Cards with that name during the rest of this Duel. More detail.

While you control a monster(s), you take no Battle Damage. More detail.