Prey Upon [Duel Decks: Heroes vs. Monsters] Ghost/Gold Rare Set: Dark Crisis Card type:

Set: Dark Crisis Card type: Ritual/Effect Monster Rarity: Super Rare Attack: 2700 Defense: 1500 This card can only be Ritual Summoned with the Rtual Spell Card "Contract with the Card Master"

and all other monsters they currently control have their effects negated

Set: Chronicles Type: Land — Urza's Tower Rarity: Uncommon {T}: Add {C}

you can select 1 card in your hand and discard it to the Graveyard

Prey Upon [Duel Decks: Heroes vs. Monsters] Ghost/Gold Rare Set: Dark Crisis Card type:Set: Duel Decks: Heroes vs. Monsters Type: Sorcery Rarity: Common Cost: {G} Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) "You don't find many old werewolf hunters." Paulin, trapper of Somberwald