Unbound Flourishing [Modern Horizons] 21 Set: Sword & Shield: Black

Set: Sword & Shield: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

{T}: Add {W}{U}

then you may return a creature card from your graveyard to your hand

Set: XY: Black Star Promos Type: Water Rarity: Promo Retreat cost: Colorless

Hedron Grinder

Unbound Flourishing [Modern Horizons] 21 Set: Sword & Shield: BlackSet: 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.