Tsabo's Decree [Invasion] Land Set: Guilds of Ravnica Type:

Set: Guilds of Ravnica Type: Creature — Nightmare Demon Rarity: Mythic Cost: {3}{B}{B} Flying

Set: Kaladesh Type: Sorcery Rarity: Uncommon Cost: {2}{B}{B} Search your library for a card

Set: Planechase Anthology Planes Type: Plane — Dominaria Rarity: Common Any time you could cast a sorcery

the Infinite Gyre is put into a graveyard from anywhere

Then each player who searched a library this way shuffles

Tsabo's Decree [Invasion] Land Set: Guilds of Ravnica Type:Set: Invasion Type: Instant Rarity: Rare Cost: {5}{B} Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.