this is just mean to hit an opponent with

Sacrifice a creature: Add one mana of any color.

Play with your hand revealed. If you would draw a card, reveal the top card of your library instead. If it's a creature card, put it into your graveyard. Otherwise, draw a card. Whenever a creature is put into your graveyard from the battlefield, return it to your hand.

Whenever a creature you control enters, you gain life equal to its toughness.

Whenever you gain life, you may pay . If you do, put a +1/+1 counter on target creature for each 1 life you gained.