Merry, Warden of Isengard is a rare Legendary Creature — Halfling Advisor card from Tales of Middle-earth Commander (LTC), collector number 468. Current market price: $3.51 (foil $8.47), TCGplayer market prices via Scryfall.
Partner with Pippin, Warden of Isengard (When this creature enters, target player may put Pippin into their hand from their library, then shuffle.) Whenever one or more artifacts you control enter, create a 1/1 white Soldier creature token with lifelink. This ability triggers only once each turn.