Sidar Jabari of Zhalfir

Eminence — Whenever you attack with one
or more Knights, if Sidar Jabari of Zhalfir is in
the command zone or on the battlefield, draw
a card, then discard a card.
Flying, first strike
Whenever Sidar Jabari deals combat damage
to a player, return target Knight creature card from your graveyard to the battlefield.