Cerebro

{t}: Add one mana of any color to your mana pool. Spend this mana only to cast Mutant spells or activate abilities of Mutants.
Equipped creature has "{x}{2}{t}: Search your library for a Mutant card with converted mana cost {x} or less, reveal it, put it into your hand, then shuffle your library."
Only Telepaths may equip Cerebro.
Equip {3}