Experiment Five 
Creature — Bear Snake Mutant
: Put a +1/+2 counter on Experiment Five. ( is paid with one mana from any source that could produce two or more colors of mana.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL