Oracle

Artifact - Equipment 

When Piston Sledge enters the battlefield, attach it to target creature you control.
Equipped creature gets +3/+1.
Equip-Sacrifice an artifact.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

6/1/2011
If there are no creatures on the battlefield that Piston Sledge could be attached to when its enters-the-battlefield triggered ability resolves, it remains on the battlefield unattached.

6/1/2011
You can sacrifice Piston Sledge to pay its own equip cost. It won’t become attached as it will be in your graveyard.

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