Staff of the Prism

{w}{u}{b}{r}{g}, Exile Staff of the Prism from your hand: Destroy all nonland permanents. They
can't be regenerated. You gain 1 life for each permanent destroyed this way.
As long as equipped creature is multicoloured, it gets +2/+0 and has trample, haste, hexproof, lifelink and deathtouch and is indestructible.
Equip {4}