Sennera, Arcane Mechanist

+1: Exile target instant or sorcery card from your graveyard. Create a 1/1 construct artifact creature token.
-X: The next time you would cast an instant or sorcery this turn, you may instead create X 1/1 constuct artifact creature tokens.
-10: You get an emblem with, "Artifact creatures you control get +1/+1 for each instant or sorcery you own in your graveyard and in exile."