Stormkeld Prowler 
Creature — Human Rogue
Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on this creature.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Rogue
Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on this creature.