Doomsday (Invocation) [Amonkhet Invocations] Ice Age Target player can't cast spells

Target player can't cast spells this turn

Set: Shards of Alara Type: Instant Rarity: Rare Cost: {3}{B}{B} Reveal the top card of your library and put that card into your hand

Set: Unlimited Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only during your declare attackers step

Set: Seventh Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

then exile any number of them and put the rest back on top of your library in any order

Doomsday (Invocation) [Amonkhet Invocations] Ice Age Target player can't cast spellsSet: Amonkhet Invocations 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.