Mistaxi Maya, The Repurposer

Whenever a creature enters your graveyard from your hand or library, you may exile it instead.
{1}{u}: Create a 1/1 blue spirit token with flying
{2}{b}: Each player discards two cards.
{2}{u}: Create a X/X blue drake spirit token with flying. X is number of cards exiled with Mitaxi Maya, the repurposer