Adam warlock

Flying, lifelink When this creature enters, you may search your library, graveyard or hand for a card named “The Soul Stone” then you may put that card onto the battlefield tapped, if you do, you draw cards and lose life equal to the amount of creatures in the graveyard At the beginning of each endstep, if you harnessed the soul stone, you may return target creature with converted mana cost less than or equal to the amount of life you gained from the graveyard to the battlefield .