Leliyel's Betrayal

(Leliyel's Betrayal is black)
Destroy target creature with toughness X or less. Each player loses X life. X can't be greater than your devotion to black (Each {b} in the mana costs
of permanents you control counts toward your devotion to black.)
The armies of loyal to the Reincarnation advanced upon Uriell's rebellion, ready to bring it to heel. Only in the unfolding violence was the true allegiance of Leliyel and her disciples made clear.