Battlefield Scavenger

You may exert Battlefield Scavenger as it attacks. (It won’t untap during your next untap step.)
Whenever you exert a creature, you may discard a card. If you do, draw a card.

Rhet-Crop Spearmaster

You may exert Rhet-Crop Spearmaster as it attacks. When you do, it gets +1/+0 and gains first strike until end of turn. (An exerted creature won’t untap during your next untap step.)

Initiate’s Companion

Whenever Initiate’s Companion deals combat damage to a player, untap target creature or land.

Spidery Grasp

Untap target creature. It gets +2/+4 and gains reach until end of turn. (It can block creatures with flying.)

Nef-Crop Entangler

Trample
You may exert Nef-Crop Entangler as it attacks. When you do, it gets +1/+2 until end of turn. (An exerted creature won’t untap during your next untap step.)

Sage-Eye Avengers

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Sage-Eye Avengers attacks, you may return target creature to its owner’s hand if its power is less than Sage-Eye Avengers’s power.

Firemind’s Foresight

Search your library for an instant card with converted mana cost 3, reveal it, and put it into your hand. Then repeat this process for instant cards with converted mana costs 2 and 1. Then shuffle your library.

Moroii

Flying
At the beginning of your upkeep, you lose 1 life.

Druid’s Deliverance

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that’s a copy of a creature token you control.)

Kor Skyfisher

Flying
When Kor Skyfisher enters the battlefield, return a permanent you control to its owner’s hand.

Sly Requisitioner

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you’re done activating mana abilities pays for .)
Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Countless Gears Renegade

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.

Spire Patrol

Flying
When Spire Patrol enters the battlefield, tap target creature an opponent controls. That creature doesn’t untap during its controller’s next untap step.

Ninja of the Deep Hours

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.

Terramorphic Expanse

, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Scavenging Ooze

: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Kindred Charge

Choose a creature type. For each creature you control of the chosen type, create a token that’s a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Terramorphic Expanse

, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Daretti, Scrap Savant Emblem

Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step.

Solemn Simulacrum

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.
When Solemn Simulacrum dies, you may draw a card.

Inspiring Call

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn.

Daretti, Scrap Savant

+2: Discard up to two cards, then draw that many cards.
−2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.
−10: You get an emblem with “Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step.”
Daretti, Scrap Savant can be your commander.

Identity Thief

Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner’s control at the beginning of the next end step.

Weldfast Wingsmith

Whenever an artifact enters the battlefield under your control, Weldfast Wingsmith gains flying until end of turn.