Cabal Initiate 
Creature — Human Warlock
Discard a card: This creature gains lifelink until end of turn. Threshold — This creature gets +1/+2 as long as seven or more cards are in your graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL