Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

Vigilance
When Cataclysmic Gearhulk enters the battlefield, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.

As an additional cost to cast this spell, discard two cards.
Draw three cards.

Counter target colorless spell.

Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets.

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

[+1]: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent.
[+1]: Add .
[−3]: Chandra, Torch of Defiance deals 4 damage to target creature.
[−7]: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Other artifact creatures you control get +1/+1.

Flying
When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

When Cogworker's Puzzleknot enters the battlefield, create a 1/1 colorless Servo artifact creature token.
, Sacrifice Cogworker's Puzzleknot: Create a 1/1 colorless Servo artifact creature token.

First strike
When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total converted mana cost of those cards.

Prevent all combat damage that would be dealt to players this turn.

Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands.
: Add or .

Choose target artifact or creature. You get (four energy counters), then you may pay an amount of equal to that permanent's converted mana cost. If you do, gain control of it.

Defender
Reach (This creature can block creatures with flying.)

: You get (an energy counter).
, Pay : Consulate Turret deals 2 damage to target player or planeswalker.

Lifelink
Whenever an artifact enters the battlefield under your control, scry 1.

Enchant creature
Enchanted creature gets +1/+3.
: Return Conviction to its owner's hand.

Revolt — When Countless Gears Renegade enters the battlefield, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.