Artista: Jason Felix

Whenever you crank Rapid Prototyper, create an X/X colorless Construct artifact creature token, where X is the number of artifacts you control.

Whenever you crank Tread Mill, until end of turn, target creature gets +1/+2, gains vigilance, and becomes an artifact in addition to its other types.

Whenever you crank Widget Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Whenever you crank Gnomeball Machine, create two 1/1 colorless Gnome artifact creature tokens.

Whenever you crank Auto-Key, until end of turn, target creature becomes an artifact in addition to its other types and gains “: You gain 3 life.”

Whenever you crank Optical Optimizer, until end of turn, target creature becomes an artifact in addition to its other types and gains “: Draw a card.”

Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types.

Whenever you crank Duplication Device, until end of turn, target creature becomes a copy of any creature on the battlefield, except it’s an artifact in addition to its other types.

Whenever you crank Record Store, look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Landfall — Whenever a land you control enters, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

Renown 1 (When this creature deals combat damage to a player, if it isn’t renowned, put a +1/+1 counter on it and it becomes renowned.)
: Regenerate Undercity Troll. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Whenever a creature you control explores, put a +1/+1 counter on Shadowed Caravel.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever a creature you control explores, put a +1/+1 counter on Shadowed Caravel.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

, Sacrifice this token: Add one mana of any color.

Sacrifice an artifact. If you do, search your library for an artifact card. If that card’s mana value is less than or equal to the sacrificed artifact’s mana value, put it onto the battlefield. If it’s greater, you may pay , where X is the difference. If you do, put it onto the battlefield. If you don’t, put it into its owner’s graveyard. Then shuffle.

As Herald’s Horn enters, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it’s a creature card of the chosen type, you may reveal it and put it into your hand.

: Add .
, , Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Vile Manifestation gets +1/+0 for each card with cycling in your graveyard.
Cycling (, Discard this card: Draw a card.)

Target creature gets +3/+3 and gains flying until end of turn.
Whenever a Zombie you control enters, you may pay . If you do, return Unconventional Tactics from your graveyard to your hand.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.)

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

: Death-Hood Cobra gains reach until end of turn.
: Death-Hood Cobra gains deathtouch until end of turn.

As Herald’s Horn enters, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it’s a creature card of the chosen type, you may reveal it and put it into your hand.