Demonic Sacrifice

At the beginning of your upkeep, you may
sacrifice a creature you control. If you do,
other creatures you control gain Annihilator 1
until the end of the turn. If no creature was sacrificed this way, sacrifice Demonic Sacrifice
instead.
The demons whispered into Liliana's mind,
"How badly do you want this power?"
She replied with,
"Let me show you."