Jin-Gitaxias, Progress Tyrant (Showcase Soft Glow) [Kamigawa: Neon Dynasty] Token Legendary Creature and you may spend mana

and you may spend mana as though it were mana of any color to cast spells this way

Set: XY: Phantom Forces Type: Item Rarity: Promo

and briefly

Set: EX: Team Rocket Returns Type: Water Rarity: Common Retreat cost: Colorless

Set: Summer Magic / Edgar Type: Artifact Rarity: Uncommon Cost: {4} {3}

Jin-Gitaxias, Progress Tyrant (Showcase Soft Glow) [Kamigawa: Neon Dynasty] Token Legendary Creature and you may spend manaSet: Kamigawa: Neon Dynasty Type: Legendary Creature Phyrexian Praetor Rarity: Mythic Cost: {5}{U}{U} Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.) Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn.