Prosperous Thief (Showcase Ninja) [Kamigawa: Neon Dynasty] Tiefling Rogue T: Add W or U

T: Add W or U to your mana pool

Purchasing chrome racehorses with cash is a common means of dispersing mysterious income

If a source you control with an odd mana value would deal damage to a permanent or player

Set: Unfinity Type: Artifact — Attraction Rarity: Uncommon Visit — An opponent chooses blue card

Prosperous Thief (Showcase Ninja) [Kamigawa: Neon Dynasty] Tiefling Rogue T: Add W or USet: Kamigawa: Neon Dynasty Type: Creature Human Ninja Rarity: Uncommon Cost: {2}{U} Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever one or more Ninja or Rogue creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")