Dwarven Weaponsmith

{T}, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate only during your upkeep.

"Work with zeal as hammers peal! Melt, anneal, and pound the steel!"
—Old Dwarvish forge-chant

Summer Magic / Edgar

"Work with zeal as hammers peal! Melt, anneal, and pound the steel!" —Old Dwarvish forge-chant

Revised Edition

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T: During your upkeep, add a permanent +1/+1 counter to any creature. Each time you use this ability, you must sacrifice one of your artifacts in play.

Foreign Black Border

Antiquities

Tap during your upkeep to add a permanent +1/+1 counter to any creature. Each time you use this ability, you must choose one of your artifacts in play and place it in the graveyard. This artifact cannot be one that is already on its way to the graveyard, and artifact creatures killed in this way may not be regenerated.