Giant Growth [Magic 2010] Pegasus Set: Innistrad: Crimson Vow Commander

Set: Innistrad: Crimson Vow Commander Type: Artifact Rarity: Common Cost: {3} {T}: Add one mana of any color in your commander's color identity

Set: Mercadian Masques Type: Enchantment Rarity: Uncommon Cost: {4}{B} Whenever a player casts a green or white spell

Set: Throne of Eldraine Type: Enchantment Rarity: Rare Cost: {2}{W} When Happily Ever After enters the battlefield

Set: Innistrad: Midnight Hunt Commander Type: Enchantment Rarity: Rare Cost: {2}{W}{W} As Citadel Siege enters the battlefield

or attach to this creature

Giant Growth [Magic 2010] Pegasus Set: Innistrad: Crimson Vow CommanderSet: Magic 2010 Type: Instant Rarity: Common Cost: {G} Target creature gets +3 +3 until end of turn.