Mirelurk Queen is a rare Creature — Crab Mutant card from Fallout (PIP), collector number 33. Current market price: $1.51 (foil $1.11), TCGplayer market prices via Scryfall.
Vigilance When this creature enters, target player gets two rad counters. Whenever one or more nonland cards are milled, draw a card, then put a +1/+1 counter on this creature. This ability triggers only once each turn.