Arcbound Javelineer is a uncommon Artifact Creature — Soldier card from Modern Horizons 2 (MH2), collector number 2. Current market price: $0.28 (foil $0.31), TCGplayer market prices via Scryfall.
{T}, Remove X +1/+1 counters from this creature: It deals X damage to target attacking or blocking creature. Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)