Lore Seeker

First strike, vigilance
Akiri, Line-Slinger gets +1/+0 for each artifact you control.
Partner

Partner with Blaring Recruiter
Whenever Blaring Captain attacks, attacking Warriors get +1/+1 until end of turn.

Partner with Blaring Captain
{2}{W}: Create a 1/1 white Warrior creature token.

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.
Partner

Partner with Chakram Slinger
Whenever you cast a spell during your turn, untap target creature.

Partner with Chakram Retriever
{R}, {T}: Chakram Slinger deals 2 damage to target player or planeswalker.

Partner with Virtus the Veiled
Vigilance
Gorm the Great must be blocked if able, and Gorm must be blocked by two or more creatures if able.

Menace
Whenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.
Partner

Partner with Proud Mentor
Whenever Impetuous Protege attacks, it gets +X/+0 until end of turn, where X is the greatest power among tapped creatures your opponents control.

Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.
Partner

Partner with Sylvia Brightspear
Flying, haste
Knights your team controls have flying and haste.

Flying, haste
Whenever an opponent casts their second spell each turn, draw a card.
Partner

Partner with Regna, the Redeemer
{B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed.

{T}: Add {C} for each card you've drawn this turn.
Partner

Partner with Lore Weaver
{T}: Untap two target lands.

Partner with Ley Weaver
{5}{U}{U}: Target player draws two cards.

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

Partner with Zndrsplt, Eye of Wisdom
At the beginning of combat on your turn, flip a coin until you lose a flip.
Whenever a player wins a coin flip, double Okaun's power and toughness until end of turn.

Partner with Toothy, Imaginary Friend
If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.

Partner with Impetuous Protege
{W}, {T}: Tap target creature.

Flying
Other creatures you control get +1/+1.
At the beginning of your upkeep, you may return target creature card from your graveyard to your hand.
Partner

Partner with Krav, the Unredeemed
Flying
At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens.

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

[+2]: During target player's next turn, each creature that player controls attacks if able.
[–2]: Rowan Kenrith deals 3 damage to each tapped creature target player controls.
[–8]: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."
Partner with Will Kenrith
Rowan Kenrith can be your commander.

Flanking
Creatures your opponents control without flying or reach can't block creatures with power 2 or less.
Partner