Dwarven Weaponsmith [Revised Edition]

Set: Revised Edition Type: Creature — Dwarf Artificer Rarity: Uncommon Cost: {1}{R} {T}, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate this ability only during your upkeep. "Work with zeal as hammers peal! Melt, anneal, and pound the steel!" —Old Dwarvish forge-chant