Flashlight

Equip creature eqiuped creature gets blinding (it can't be damaged)
As long as flashlight is unequipped you have blinding ( you and your creatures can't be killed). Equip cost {3}{w}{w} (instead of paying its full mana cost pay equip to equip to creature before )
Equip when on battlefield:{3}{w}
Unequip : {4}{w}