Ail & An, the Soul Stealers

Haste, flying

{u/r},{t}: target player discards a card. If a nonland card is discarded this way, you gain life equal to its converted mana cost.

{u/r}{u/r}, {t}: Sacrifice another creature. Return a target creature card from your graveyard to the battlefield tapped, then exile it at the beginning of the next end step.

"You cannot escape the power of your wants, nor can you escape our grasp."