Ticking Gnomes is a uncommon Artifact Creature — Gnome card from Eternal Masters (EMA), collector number 233. Current market price: $0.26 (foil $0.36), TCGplayer market prices via Scryfall.
Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) Sacrifice this creature: It deals 1 damage to any target.