Aviceburon, Caster

—At the beginning of your upkeep, choose one:
•Create a 0/1 colorless
Thopter artifact creature with flying and
"when this creature dies, surveil 1."
•Pay {w}, then create a 0/3 colorless
Golem artifact creature with lifelink.
•Sacrifice a non-artifact creature,
then draw a card and lose 1 life.