Nantuko Blightcutter 
Creature — Insect Druid
Protection from black Threshold — This creature gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL