Jaheira, Friend of the Forest [Commander Legends: Battle for Baldur's Gate] Elder Dragon if that spell's mana cost

if that spell's mana cost or that ability's activation cost contains {X}

As the muscle cords of the creature twitched

Set: Core Set 2021 Type: Legendary Creature — Vampire Cleric Rarity: Rare Cost: {2}{B} Whenever you gain life

Set: Arabian Nights Type: Creature — Camel Rarity: Common Cost: {W} Banding (Any creatures with banding

and constructed formats

Jaheira, Friend of the Forest [Commander Legends: Battle for Baldur's Gate] Elder Dragon if that spell's mana costSet: Commander Legends: Battle for Baldur's Gate Type: Legendary Creature Human Elf Druid Rarity: Rare Cost: {2}{G} Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.) "The Harpers' movement grows, but it needs sunlight to blossom. We can be that light."