
Eminence — Whenever you attack with one or more Knights, if Sidar Jabari is in the command zonecommand zoneThe area where your commander waits before you cast it, and where it may return instead of going to the graveyard, exile, your hand or library. or on the battlefield, draw a card, then discard a card.
FlyingFlyingCan only be blocked by creatures with flying or reach., first strikefirst strikeDeals combat damage before creatures without first strike.
Whenever Sidar Jabari deals combat damage to a player, return target Knight creature card from your graveyard to the battlefield.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.