Unbound Flourishing [Modern Horizons]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.

Creatures you control that are enchanted get +1/+1 and have first strike

transform Growing Rites of Itlimoc

Whenever Dauntless Aven attacks

Set: Commander 2014 Type: Artifact Rarity: Rare Cost: {2} Blue spells you cast cost {1} less to cast

Set: League Tokens 2015 Type: Token Creature — Monk Rarity: Common Prowess

Set: Planechase 2012 Type: Land Rarity: Common {T}: Add {C}

−8: Target opponent gets an emblem with "Whenever a creature attacks you

{2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn

Set: Dominaria Prerelease Promos Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {2}{U}{R} Whenever you cast a historic spell

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {2}{G} Search your library for a Plains

create four 1/1 green Squirrel creature tokens

Set: Ravnica Allegiance Guild Kit Type: Creature — Dragon Rarity: Mythic Cost: {6}{R}{R} Flying