Ember, Psionic Thief

Whenever Ember, Psionic Thief deals
combat damage to a player, exile a card
from that player's graveyard. You may cast
that card and spend mana as if it was mana
of any type to cast it.
Discard a card: Ember, Psionic Thief gains
Hexproof until end of turn if you discarded
a blue card and gains Deathtouch until end
of turn if you discarded a black card.