Form of the Squirrel 
Enchantment
As this enchantment enters, create a 1/1 green Squirrel creature token. You lose the game when that creature leaves the battlefield. Creatures can't attack you. You have shroud. You can't cast spells.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL