Unbound Flourishing [Modern Horizons] Centaur Set: Battlebond Type: Creature —

Set: Battlebond Type: Creature — Elemental Dog Rarity: Uncommon Cost: {4}{U} Partner with Chakram Slinger (When this creature enters the battlefield

Reverse Type: Creature — Vampire Berserker Flying

Set: Legends Type: Creature — Drake Rarity: Uncommon Cost: {3}{U} Flying

You may cast it without paying its mana cost if it's a spell with lesser mana value

Unbound Flourishing [Modern Horizons] Centaur Set: Battlebond Type: Creature —Set: Modern Horizons Type: Enchantment Rarity: Mythic Cost: {2}{G} Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.