Unbound Flourishing [Modern Horizons] Dragon Spirit sign it and shuffle it

sign it and shuffle it into target player's library

sacrifice Sea Serpent

Set: Alpha Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

Set: Asia Pacific Land Program Type: Basic Land — Forest Rarity: Common ({T}: Add {G}

+1: Create a 3/3 black Beast creature token with deathtouch

Unbound Flourishing [Modern Horizons] Dragon Spirit sign it and shuffle itSet: 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.