Mist Wurm [DT01-EN032] Ultra Rare Ritual/Effect Monster Set: Duelist Pack: Dimensional Guardians

Set: Duelist Pack: Dimensional Guardians Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 3000 Defense: 2200 1 "Edge Imp" monster + 1 "Fluffal" monster When this card destroys an opponent's monster by battle: You can inflict 1000 damage to your opponent

or if it is a Spell/Trap Card

you cannot Summon other monsters this turn

then sending the top card of your Deck to the Graveyard

Mist Wurm [DT01-EN032] Ultra Rare Ritual/Effect Monster Set: Duelist Pack: Dimensional GuardiansSet: Duel Terminal 1 Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 1500 1 Tuner + 2 or more non Tuner monsters When this card is Synchro Summoned, return up to 3 cards your opponent controls to the hand.