Estylen Omolath

Pact Boon - At the beginning of your upkeep, you may lose 2 life. If you do, exile the top card of your library. You may play that card until the end of your next turn.

Whenever you cast a spell this way, create a 2/2 blue tentacle creature token with menace.

Channel the Pact - {1}{u/b}Sacrifice a creature: Each opponent loses 2 life and you gain 2 life.