Munitions Expert is a uncommon Creature — Goblin card from Modern Horizons 2 Timeshifts (H2R), collector number 16. Current market price: $0.33 (foil $0.41), TCGplayer market prices via Scryfall.
Flash When this creature enters, you may have it deal damage to target creature or planeswalker equal to the number of Goblins you control.