: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

(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.