The biggest barrier for this card is how poorly it feels like it stacks up against Snuff Out on the one hand which is a zero mana card for just one life more and has a life free mode of play and will kill things with 4 or more thoughness
Syr Konrad, the Grim could make great use of them, adding extra value to milling opponents, and Krrik, Son of Yawgmoths excess life gain can be converted to additional bodies to press the advantage
Yshtolas a wincon on its own, though G'raha Tia, Scion Reborn offers an alternative route to victory with a more familiar token-generating reward for casting spells
Like most control decks, these are slower-paced decks focused on late-game payoffs
One part of this deck is an Eldrazi deck (Eldrazi Linebreaker, Ugin's Binding, fatties), while the other part is focused on UR energy
A little bit of graveyard hate, a lil bit of token generation