Xana, Vindicator Angel

Eminence - As long as Xana is in the command
zone or on the battlefield, Angel spells you play
cost {1} less and Angels you control have Haste.
When a creature is put into an opponents
graveyard, if it was damaged by an Angel you
control this turn, its controller takes X damage
where X is equal to its toughness.
"They will pay dearly for every soul they have stolen
from us." - Xana, Vindicator Angel