Bloodthirster [Warhammer 40,000] Ravnica Set: Diamond & Pearl: Stormfront

Set: Diamond & Pearl: Stormfront Type: Water Rarity: Rare Retreat cost: Colorless

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

and an game over card that will cause you to lose the game immediately if you guess it

Set: Secret Lair Drop Series Type: Land — Island Swamp Rarity: Rare ({T}: Add {U} or {B}

"With a great cry

Bloodthirster [Warhammer 40,000] Ravnica Set: Diamond & Pearl: StormfrontSet: Warhammer 40,000 Type: Creature Demon Rarity: Rare Cost: {5}{R} Flying, trample Whenever Bloodthirster deals combat damage to a player, untap it. After this combat phase, there is an additional combat phase. Bloodthirster can't attack a player it has already attacked this turn.