Dockbreacher 
Creature — Merfolk Pirate
Flash If an opponent would create a treasure token beyond the first one they create each turn, instead you draw a card.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL