Gnarlwood Dryad 
Creature — Dryad Horror
Deathtouch Delirium — This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL