Keyword: Partner

: Scry 1, then reveal the top card of your library. If it’s a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)

: Add for each card you’ve drawn this turn.
Partner (You can have two commanders if both have partner.)

At the beginning of each player’s end step, that player may draw a card if a player other than you lost life this turn.
Partner (You can have two commanders if both have partner.)

Flying, haste
Whenever an opponent casts their second spell each turn, draw a card.
Partner (You can have two commanders if both have partner.)

Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.
Partner (You can have two commanders if both have partner.)

Reyhan, Last of the Abzan enters the battlefield with three +1/+1 counters on it.
Whenever a creature you control dies or is put into the command zone, if it had one or more +1/+1 counters on it, you may put that many +1/+1 counters on target creature.
Partner (You can have two commanders if both have partner.)

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.
Partner (You can have two commanders if both have partner.)

First strike, vigilance
Akiri, Line-Slinger gets +1/+0 for each artifact you control.
Partner (You can have two commanders if both have partner.)

Menace
Whenever a creature you control deals combat damage to a player, you gain life equal to that creature’s toughness.
Partner (You can have two commanders if both have partner.)