Power Ring

Equipped creature gains protection from green.
{p/g}{p/g},{t}: Create a 0/4 Wall with Defender.
{p/g}{p/g},{t}: Create a 3/1 Gatling gun with Haste.
Destroy it at the end of your turn.
{p/g}{p/g}{p/g},{t}: Equipped creature gains +3/+3.
Equip {3}