Kruul, Demonic Reanimator

Whenever Kruul, the Demonic Reanimator deals combat damage to a player, you may return any
number of target creature cards with total mana
value X or less from your graveyard to the battlefield where X is the amount of combat
damage dealt by Kruul, Demonic Reanimator this
turn.
—
The dead will rise, and they will serve. And I will
lead them to glory.