Emrakul, the World Anew (Borderless) (Serial Numbered) [Modern Horizons 3] Eldrazi Whenever you lose life

Whenever you lose life

or take the initiative for the next round

and Alustriel Silverhand have noticed something is wrong in the multiverse and have deduced Vecna is the culprit

exile the top X cards of your library

Emrakul, the World Anew (Borderless) (Serial Numbered) [Modern Horizons 3] Eldrazi Whenever you lose lifeSet: Modern Horizons 3 Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {12} When you cast this spell, gain control of all creatures target player controls. Flying, protection from spells and from permanents that were cast this turn When Emrakul, the World Anew leaves the battlefield, sacrifice all creatures you control. MadnessPay six {C}.