Warlock of the Ice Barrier [DT04-EN033] Common Effect Fusion Monster You can only use each

You can only use each of the following effects of "Dark Hole Dragon" once per turn

but it cannot be activated unless you control a Fiend monster

Set: Tournament Pack 8 Card type: Effect Monster Rarity: Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned

send 1 Ritual Spell from your Deck to the GY

Warlock of the Ice Barrier [DT04-EN033] Common Effect Fusion Monster You can only use eachSet: Duel Terminal 4 Card type: Effect Monster Rarity: Common Attack: 400 Defense: 1000 While you control another face up "Ice Barrier" monster, both players must Set Spell Cards before activating them, and cannot activate them until their next turn.