Gearseeker Serpent

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
: Gearseeker Serpent can’t be blocked this turn.

Earthrumbler

Vigilance, trample
Exile an artifact or creature card from your graveyard: This Vehicle becomes an artifact creature until end of turn.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Loxodon Surveyor

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
Max speed — , Exile this card from your graveyard: Draw a card.

Arabella, Abandoned Doll

Whenever Arabella, Abandoned Doll attacks, it deals X damage to each opponent and you gain X life, where X is the number of creatures you control with power 2 or less.

Chainsaw

When Chainsaw enters, it deals 3 damage to up to one target creature.
Whenever one or more creatures die, put a rev counter on Chainsaw.
Equipped creature gets +X/+0, where X is the number of rev counters on Chainsaw.
Equip

Chainsaw

When Chainsaw enters, it deals 3 damage to up to one target creature.
Whenever one or more creatures die, put a rev counter on Chainsaw.
Equipped creature gets +X/+0, where X is the number of rev counters on Chainsaw.
Equip

Fear of Burning Alive

When Fear of Burning Alive enters, it deals 4 damage to each opponent.
Delirium — Whenever a source you control deals noncombat damage to an opponent, if there are four or more card types among cards in your graveyard, Fear of Burning Alive deals that amount of damage to target creature that player controls.

Chainsaw

When Chainsaw enters, it deals 3 damage to up to one target creature.
Whenever one or more creatures die, put a rev counter on Chainsaw.
Equipped creature gets +X/+0, where X is the number of rev counters on Chainsaw.
Equip

Bumbleflower’s Sharepot

When Bumbleflower’s Sharepot enters, create a Food token. (It’s an artifact with “, , Sacrifice this artifact: You gain 3 life.”)
, , Sacrifice Bumbleflower’s Sharepot: Destroy target nonland permanent. Activate only as a sorcery.

Waterspout Warden

Whenever Waterspout Warden attacks, if another creature entered the battlefield under your control this turn, Waterspout Warden gains flying until end of turn.

Clue

, Sacrifice this artifact: Draw a card.

Bloodline Necromancer

Lifelink
When Bloodline Necromancer enters, you may return target Vampire or Wizard creature card from your graveyard to the battlefield.

Arcane Signet

: Add one mana of any color in your commander’s color identity.

Wedding Ring

When Wedding Ring enters, if it was cast, target opponent creates a token that’s a copy of it.
Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card.
Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.

Fist of Suns

You may pay rather than pay the mana cost for spells you cast.

Heir to Dragonfire

: Heir to Dragonfire gets +1/+0 until end of turn.
, Reveal Heir to Dragonfire from your hand: Heir to Dragonfire perpetually becomes a Dragon, gets +3/+3, and gains flying.

Outfitted Jouster

When Outfitted Jouster enters, conjure a card named Steelclaw Lance and a card named Brawler’s Plate onto the battlefield and attach them to Outfitted Jouster.
If damage would be dealt to Outfitted Jouster while it’s equipped, prevent that damage. When damage is prevented this way, sacrifice an Equipment attached to Outfitted Jouster.

Blightwing Whelp

Flying
Toxic 1
: Blightwing Whelp gains haste until end of turn.
Whenever Blightwing Whelp deals combat damage to a player, seek a card with mana value equal to the number of poison counters that player has.

Ichor Aberration

Flying, Defender
As long as Ichor Aberration’s power is 7 or greater, it can attack as though it didn’t have defender.
Whenever you proliferate, if Ichor Aberration is in your graveyard or on the battlefield, Ichor Aberration perpetually gets +1/+1. You may cast it from your graveyard this turn.

Steelgaze Griffin

Flying
Whenever you draw your second card each turn, Steelgaze Griffin gets +2/+0 until end of turn.