Aetherdrift

Artifact — Vehicle

Flying, vigilance
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Air Response Unit

Outlaws of Thunder Junction Commander

Artifact — Treasure

{T}: Add {R}. Put a stash counter on this artifact.
{T}, Sacrifice this artifact: Add X mana of any one color, where X is the number of stash counters on this artifact.

Glittering Stockpile

The Lost Caverns of Ixalan Promos

Sorcery

Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Terror Tide

March of the Machine Promos

Bloated Processor

Incubator // Phyrexian

Creature — Phyrexian

Sacrifice another Phyrexian: Put a +1/+1 counter on this creature.
When this creature dies, incubate X, where X is its power. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

March of the Machine Commander

Creature — Phyrexian Horror

When this creature enters, you draw a card and you lose 1 life.

Phyrexian Rager

Commander Legends: Battle for Baldur's Gate

Veteran Soldier

Soldier

Legendary Enchantment — Background

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, for each opponent, create a 1/1 white Soldier creature token that's tapped and attacking that opponent."

Streets of New Capenna Promos

Treasure

Black Market Tycoon

Creature — Cat Rogue

At the beginning of your upkeep, this creature deals 2 damage to you for each Treasure you control.
{T}: Create a Treasure token.

Secret Lair Drop

Legendary Creature — Dragon

Flying
Whenever Drakuseth attacks, Drakuseth deals 4 damage to any target and 3 damage to each of up to two other targets.