Doomsday [Masters 25] Legendary Artifact Creature Set: Magic 2014 Type: Instant

Set: Magic 2014 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Set: Darksteel Type: Sorcery Rarity: Rare Cost: {X}{U}{U} As an additional cost to cast this spell

or toughness

Set: Portal Demo Game Type: Creature — Nightstalker Rarity: Rare Cost: {2}{B} Flying

that mana becomes colorless instead

Doomsday [Masters 25] Legendary Artifact Creature Set: Magic 2014 Type: InstantSet: Masters 25 Type: Sorcery Rarity: Mythic Cost: {B}{B}{B} Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up.