Overgrowth Elemental 
Creature — Elemental
When this creature enters, put a +1/+1 counter on another target Elemental you control. Whenever another creature you control dies, you gain 1 life. If that creature was an Elemental, put a +1/+1 counter on this creature.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL