Kindred Summons [Commander 2017] Legendary Enchantment sacrifice it unless {U} was

sacrifice it unless {U} was spent to cast it

The magic of the Boros patrols the streets even when their soldiers do not

It teaches *you* to play dead

The fall of the evening star never heralds a gentle dawn

you may discard a card

Kindred Summons [Commander 2017] Legendary Enchantment sacrifice it unless {U} wasSet: Commander 2017 Type: Instant Rarity: Rare Cost: {5}{G}{G} Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.