Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying."
Warp (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

, : Untap target artifact.

, , Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for them.)

When this artifact enters, it deals 2 damage to any target.
, , Sacrifice another artifact: Create a 3/3 colorless Golem artifact creature token.

When this enchantment enters, create a 1/1 white Human Soldier creature token.
Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Flying, vigilance

At the beginning of combat on your turn, exile up to one target card from a graveyard.
: Adapt 2.
Whenever one or more +1/+1 counters are put on this creature, put a creature card exiled with this creature onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

Negative — As long as K-9 is untapped, other legendary creatures you control have ward .
Affirmative — , : Target legendary creature can't be blocked this turn.
Doctor's companion (You can have two commanders if the other is the Doctor.)

Partner with Shabraz, the Skyshark (When this creature enters, target player may put Shabraz into their hand from their library, then shuffle.)
Whenever you discard a card, put a +1/+1 counter on Brallin and it deals 1 damage to each opponent.
: Target Shark gains trample until end of turn.

Add two mana in any combination of colors.
Draw a card.

(: Add .)

(: Add .)

Creatures you control have "Whenever this creature becomes tapped for the first time during each of your turns, put a +1/+1 counter on it."

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power.
, : Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Whenever another creature you control with power 2 or less enters, you may pay . If you do, draw a card.

At the beginning of each player's draw step, that player draws an additional card.
Whenever an opponent draws a card, Nekusar deals 1 damage to that player.

Destroy target artifact or enchantment. Its controller gains 4 life.

First strike (This creature deals combat damage before creatures without first strike.)
Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

For each token you control, create a token that's a copy of that permanent.

Haste (This creature can attack and as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.