Marcus, Mutant Mayor is a rare Legendary Creature — Mutant Advisor card from Fallout (PIP), collector number 946. Current market price: — (foil $5.12), TCGplayer market prices via Scryfall.
Vigilance, trample Whenever a creature you control deals combat damage to a player, draw a card if that creature has a +1/+1 counter on it. If it doesn't, put a +1/+1 counter on it.