Equipped creature gets +1/+0 and has flying.

Equip 2 (2: Attach to target creature you control. Equip only as a sorcery.)

Prototype 2R - 3/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Haste

Prototype 3G - 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

When Boulderbranch Golem enters the battlefield, you gain life equal to its power.

Clay Revenant enters the battlefield tapped.

2B: Return Clay Revenant from your graveyard to your hand.

Defender

Coastal Bulwark gets +2/+0 as long as you control an Island.

2, TAP: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

2, Sacrifice Combat Courier: Draw a card.

Unearth U (U: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Prototype 4UU - 6/6 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Depth Charge Colossus doesnt untap during your untap step.

3: Untap Depth Charge Colossus.

Equipped creature gets +1/+0 and has menace. (It cant be blocked except by two or more creatures.)

Whenever a creature enters the battlefield from your graveyard, you may attach Dredging Claw to it.

Equip 1B (1B: Attach to target creature you control. Equip only as a sorcery.)

When Energy Refractor enters the battlefield, draw a card.

2: Add one mana of any color.

Flash

7, TAP, Sacrifice Goblin Firebomb: Destroy target permanent.

Prototype 1B - 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Deathtouch

TAP: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead.

Trample

Mishras Juggernaut attacks each combat if able.

Unearth 5R (5R: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

TAP: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead.

Prototype 3GG - 3/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Reach, trample

When Scrapwork Cohort enters the battlefield, create a 1/1 colorless Soldier artifact creature token.

Unearth 2W (2W: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Scrapwork Mutt enters the battlefield, you may discard a card. If you do, draw a card.

Unearth 1R (1R: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Scrapwork Rager enters the battlefield, you draw a card and you lose 1 life.

Unearth 3B (3B: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)