Baby Miller of the Womb

Indestructible, crying
{1},{t}: Create a Poop token. (Poop is an artifact
with "{1},{t},Sacrifice this artifact:End your turn.
All permanents you control phase out until the
beginning of your next upkeep. Exile all spells
and abilities from the stack, and leave the game
to change a diaper.")
"What's that smell?"