Emrakul, the Promised End [Eldritch Moon] Legacy if Nether Shadow is in

if Nether Shadow is in your graveyard with three or more creature cards above it

this unique mechanism extracts power from a carefully prepared gemstone

There will be no absolution

Set: Planechase Type: Enchantment Rarity: Rare Cost: {1}{B}{B}{B} Whenever a creature you control dies

Emrakul, the Promised End [Eldritch Moon] Legacy if Nether Shadow is inSet: Eldritch Moon Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {13} This spell costs {1} less to cast for each card type among cards in your graveyard. When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn. Flying, trample, protection from instants An enigma as vexing as life itself.