Marauding Mako 
Creature — Shark Pirate
Whenever you discard one or more cards, put that many +1/+1 counters on this creature.
Cycling 
(, Discard this card: Draw a card.)
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL