Mystical Tutor (6) [Signature Spellbook: Jace] CHAMPS it produces colorless mana instead

it produces colorless mana instead of white mana

Set: Beta Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

−3: Return another target nonland permanent to its owner's hand

Set: Conspiracy: Take the Crown Type: Artifact Rarity: Rare Cost: {3} Whenever a player plays a land

Mystical Tutor (6) [Signature Spellbook: Jace] CHAMPS it produces colorless mana insteadSet: Signature Spellbook: Jace Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top. "It's not just what you know. It's knowing where to find what you don't."