Lumberknot 
Creature — Treefolk
Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever a creature dies, put a +1/+1 counter on this creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL