North Star [Legends] BW31 add one mana of that

add one mana of that color

Set: EX: Crystal Guardians Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: Nintendo: Black Star Promos Type: Fighting Rarity: Black Star Promo Retreat cost: Colorless

Set: Arena League 1999 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

Set: Kaladesh Prerelease Promos Type: Legendary Planeswalker — Saheeli Rarity: Mythic Cost: {1}{U}{R} +1: Scry 1

North Star [Legends] BW31 add one mana of thatSet: Legends Type: Artifact Rarity: Rare Cost: {4} {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)