Untethered Express

Trample
Whenever Untethered Express attacks, put a +1/+1 counter on it.
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.)

Curtains’ Call

Undaunted (This spell costs less to cast for each opponent.)
Destroy two target creatures.

Marionette Master

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)
Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master’s power.

Revoke Privileges

Enchant creature
Enchanted creature can’t attack, block, or crew Vehicles.

Marionette Master

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)
Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master’s power.

Wispweaver Angel

Flying
When Wispweaver Angel enters the battlefield, you may exile another target creature you control, then return that card to the battlefield under its owner’s control.

Havengul Vampire

Whenever Havengul Vampire deals combat damage to a player, put a +1/+1 counter on it.
Whenever another creature dies, put a +1/+1 counter on Havengul Vampire.

Sphinx of Magosi

Flying
: Draw a card, then put a +1/+1 counter on Sphinx of Magosi.

Driver of the Dead

When Driver of the Dead dies, return target creature card with converted mana cost 2 or less from your graveyard to the battlefield.

Voldaren Pariah // Abolisher of Bloodlines

Flying
Sacrifice three other creatures: Transform Voldaren Pariah.
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.)

Mockery of Nature

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature’s converted mana cost.)
When you cast this spell, you may destroy target artifact or enchantment.

Voldaren Pariah // Abolisher of Bloodlines

Flying
Sacrifice three other creatures: Transform Voldaren Pariah.
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.)

Archangel Avacyn // Avacyn, the Purifier

Flash
Flying, vigilance
When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn.
When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep.

Burn from Within

Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Sphinx of Magosi

Flying
: Draw a card, then put a +1/+1 counter on Sphinx of Magosi.

Archangel Avacyn // Avacyn, the Purifier

Flash
Flying, vigilance
When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn.
When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep.

Burn from Within

Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Makeshift Mauler

As an additional cost to cast this spell, exile a creature card from your graveyard.

Driver of the Dead

When Driver of the Dead dies, return target creature card with converted mana cost 2 or less from your graveyard to the battlefield.

Umara Entangler

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Foundry Champion

When Foundry Champion enters the battlefield, it deals damage to any target equal to the number of creatures you control.
: Foundry Champion gets +1/+0 until end of turn.
: Foundry Champion gets +0/+1 until end of turn.

Ezuri, Claw of Progress

Whenever a creature with power 2 or less enters the battlefield under your control, you get an experience counter.
At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.