(Sidar Jabari of Zhalfir)

Eminence — Whenever you attack with one or more Knights, if Lord Aelion, Marshal of the Black Guard is in the command zone or on the battlefield, draw a card, then discard a card.

Flying, first strike

Whenever Lord Aelion, Marshal of the Black Guard deals combat damage to a player, return target Knight creature card from your graveyard to the battlefield.