Lore Seeker

First strike, vigilance
Akiri, Line-Slinger gets +1/+0 for each artifact you control.
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Flash
Whenever an opponent is dealt 5 or more damage, each player other than that player draws a card.
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If a source would deal damage to a creature other than Artorias, the Wolf Knight, you may have that damage be dealt to Artorias instead. If you do, you gain that much life.
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At the beginning of your upkeep, put the top four cards of your library into your graveyard. Until end of turn, you may cast a noncreature card put into your graveyard this way.
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Whenever a creature leaves the battlefield, put a +1/+1 counter on Black Iron Tarkus.
Remove two +1/+1 counters from Tarkus: It gains indestructible until end of turn.
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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.

Partner with Shabraz, the Skyshark
Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent.
{R}: Target Shark gains trample until end of turn.

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.
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Partner with Ukkima, Stalking Shadow
Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.

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.

Defender
At the beginning of combat on each player's turn, you may pay {2}. If you do, put a +1/+1 counter on target creature that player controls. That creature can't be blocked this turn.
Partner

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.

Partner with Pako, Arcane Retriever
You may play noncreature cards from exile with fetch counters on them if you exiled them, and you may spend mana as though it were mana of any color to cast those spells.

Menace
Whenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.
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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.
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Flying
If another source would deal damage to an opponent, it instead deals twice that much damage.
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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.
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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.
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Lifelink
At the beginning of your end step, if a creature died this turn, scry 2.
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Spells you cast that target creatures cost {2} less to cast.
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