Whenever an artifact you control enters, this creature gets +2/+0 and gains trample until end of turn.

Reach (This creature can block creatures with flying.)
Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

When this creature enters, you get (two energy counters).
Whenever this creature attacks, you may pay . If you do, put a +1/+1 counter on it.

When this creature dies, return another target artifact card from your graveyard to your hand.

Target player discards two cards.

Sacrifice an artifact or creature: Put a +1/+1 counter on this creature. Activate only as a sorcery.

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

This creature attacks each combat if able.

: This creature gains menace until end of turn.

Flying
Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Creatures you control get +2/+1 until end of turn.

Enchant artifact or creature
When this Aura enters, tap enchanted permanent.
Enchanted permanent doesn't untap during its controller's untap step.

When this creature enters, you get (four energy counters).
Pay : This creature gets +2/-2 until end of turn.

Flying
Revolt — This creature enters with a +1/+1 counter on it if a permanent left the battlefield under your control this turn.

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Chandra's Revolution deals 4 damage to target creature. Tap target land. That land doesn't untap during its controller's next untap step.

: This creature gains flying until end of turn.

Trample
Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

When this creature enters, draw a card.

Destroy target creature or Vehicle.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Menace

Whenever an artifact you control enters, this creature gains flying until end of turn.

Return target nonland permanent to its owner's hand.
Draw a card.

Menace
Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Vigilance
When this creature enters, you get (two energy counters).
Whenever this creature attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.)

Trample
Revolt — This creature enters with two +1/+1 counters on it if a permanent left the battlefield under your control this turn.

When this creature enters, you gain 3 life and get (three energy counters).

: This creature gains vigilance until end of turn.

When this creature enters, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle.

Draw three cards. If you control no artifacts, discard a card.

Trample
When this creature enters, you get (two energy counters).
Whenever this creature attacks, you may pay . If you do, it gets +2/+2 until end of turn.

Flying
When this creature enters, creatures you control get +1/+1 and gain vigilance until end of turn.

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