When Acclaimed Contender enters the battlefield, if you control another Knight, look at the top five cards of your library. You may reveal a Knight, Aura, Equipment, or legendary artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

Target opponent loses 3 life and you gain 3 life.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying
When Aven Surveyor enters the battlefield, choose one —
• Put a +1/+1 counter on Aven Surveyor.
• Return target creature to its owner's hand.

Creatures you control have skulk. (They can't be blocked by creatures with greater power.)
: Creatures you control get +1/+1 until end of turn.

Prevent all damage that would be dealt to you and permanents you control this turn by sources you don't control. If damage is prevented this way, you may have Channel Harm deal that much damage to target creature.

Sliver creatures you control get +2/+0.

Flying
Whenever you gain life, each opponent loses 1 life.

Counter target spell.
Investigate three times. (To investigate, create a colorless Clue artifact token with ", Sacrifice this artifact: Draw a card.")

When Consul's Shieldguard enters the battlefield, you get (two energy counters).
Whenever Consul's Shieldguard attacks, you may pay . If you do, another target attacking creature gains indestructible until end of turn.

, : Target attacking Human gets +1/+1 until end of turn.

Target creature gets -5/-5 until end of turn.

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

Flying, trample
Whenever Empyreal Voyager deals combat damage to a player, you get that many (energy counters).

Put a +1/+1 counter on target creature you control. It gains protection from the color of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that color.)

Whenever Fiend Binder attacks, tap target creature defending player controls.

Defender

You may discard a card. If you do, draw a card. (Then exile this card. You may cast the creature later from exile.)

When Heavy Infantry enters the battlefield, tap target creature an opponent controls.

Flying
When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.
Spells your opponents cast that target Icefall Regent cost more to cast.