The Mana Rig - Dominaria United Commander #80 (Foil)

The Mana Rig

Set: Dominaria United Commander (DMC)
Collector Number: 80
Printing: Foil
Condition: Near Mint
Type: Legendary Artifact
Rarity: Mythic
Mana Value: 3.0

Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
{X}{X}{X}, {T}: 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.