The Mox Gauntlet

Whenever another permanent enters the
battlefield, if that permanent has a mana symbol
in its text box, you may put one of those mana
symbols on The Mox Gauntlet (Effects
surrounding that stolen mana symbol are null.)
Equipped creature has "{t}, Snap your fingers:
Exile half of all mana sources at random. Then,
put those permenants onto the battlefield under
your control. Activate this ability only if there
are {w}{u}{b}{r} and {g} on The Mox Gauntlet."
Equip {5}