The Brothers' War

Coastal Bulwark | Artifact Creature | Wall | Defender Coastal Bulwark gets +2/+0 as long as you control an Island. {2}, {T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) | Artur Nakhodkin

Surge Engine | Artifact Creature | Construct | Defender {U}: Surge Engine loses defender and gains "This creature can't be blocked." {2}{U}: Surge Engine becomes blue and has base power and toughness 5/4. Activate only if Surge Engine doesn't have defender. {4}{U}{U}: Draw three cards. Activate only if Surge Engine is blue and only once. | Daarken

Ashnod's Harvester | Artifact Creature | Construct | Whenever Ashnod's Harvester attacks, exile target card from a graveyard. Unearth {1}{B} ({1}{B}: 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.) | Halil Ural

Razorlash Transmogrant | Artifact Creature | Zombie | Razorlash Transmogrant can't block. {4}{B}{B}: Return Razorlash Transmogrant from your graveyard to the battlefield with a +1/+1 counter on it. This ability costs {4} less to activate if an opponent controls four or more nonbasic lands. | Kekai Kotaki

Scrapwork Mutt | Artifact Creature | Dog | When Scrapwork Mutt enters the battlefield, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: 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.) | Sidharth Chaturvedi

Mine Worker | Artifact Creature | Assembly-Worker | {T}: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead. | Raoul Vitale