Sultai Deathmage

Kicker {r/w} (You may pay an additional {r/w} as you
cast this spell.)
Flash
When this creature enters the battlefield, if it was kicked for {r}, it gains Haste and "sacrifice this creature at the end of this turn." If it was kicked
for {w}, it gains "return this creature to your hand
at the end of this turn."
Whenever this creature enters the battlefield or
dies, mill three cards, then return a card from
your graveyard to your hand.