Unbound Flourishing [Modern Horizons] Human Advisor Whenever another Spirit enters the

Whenever another Spirit enters the battlefield under your control

then exile the top card

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{R}{R} No more than two creatures can attack each combat

If two cards that share a color were milled this way

Unbound Flourishing [Modern Horizons] Human Advisor Whenever another Spirit enters theSet: 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.