Shaymin (XY115) [XY: Black Star Promos] Elemental Horror Set: Alpha Edition Type: Instant

Set: Alpha Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn

Set: Legends Type: Instant Rarity: Uncommon Cost: {G} One or more target creatures become green until end of turn

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another

it produces colorless mana instead of white mana

When Cavalier of Flame enters the battlefield

Shaymin (XY115) [XY: Black Star Promos] Elemental Horror Set: Alpha Edition Type: InstantSet: XY: Black Star Promos Type: Grass Rarity: Promo Retreat cost: Colorless