The Horus Heresy
Enchantment - Saga
(CMC 6)
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I -- For each opponent, gain control of up to one target nonlegendary creature that player controls for as long as The Horus Heresy remains on the battlefield.
II -- Draw a card for each creature you control but don't own.
III -- Starting with you, each player chooses a creature. Destroy each creature chosen this way.