Unbound Flourishing [Modern Horizons] Saga Search your library for a

Search your library for a green creature card

you may reveal the top four cards of your library

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {B} Target spell or permanent becomes black

Those players sacrifice those permanents

Unbound Flourishing [Modern Horizons] Saga Search your library for aSet: 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.