Witch-Maw Nephilim 
Creature — Nephilim
Whenever you cast a spell, you may put two +1/+1 counters on this creature. Whenever this creature attacks, it gains trample until end of turn if its power is 10 or greater.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL