Masters Edition IV

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

On Dominaria, a scavenger. On Mirrodin, a predator.

Mirrodin

The bane of all artificers, the legendary atogs devoured intricate tools to further their own twisted growth.

Fifth Edition

Sacrifice an artifact: +2/+2 until end of turn

The bane of all artificers, the legendary Atogs devoured intricate tools to further their own twisted growth.

Summer Magic / Edgar

Revised Edition

o0: +2/+2. Each time you use this ability, you must sacrifice one of your artifacts in play.

Foreign Black Border

Antiquities

o0: +2/+2 until end of turn. 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 this way may not be regenerated.