The Mana Rig

Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with " : Add . This mana can't be spent to cast a nonartifact spell.")
, : Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order.

EDHREC rank #17512

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