Circu, Hand of Lazav

Deathtouch
{1}: Target creature gets -1/-0 until end of turn.
Whenever a creature that was targeted by
Circu, Hand of Lazav three or more times this
turn dies, exile it.
You may cast creature spells exiled with Circu,
Hand of Lazav by paying {u}{b} instead of paying
their mana costs.