Reckless Fireweaver

Whenever an artifact you control enters, Reckless Fireweaver deals 1 damage to each opponent.

Halimar Depths

Halimar Depths enters tapped.
When Halimar Depths enters, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Target creature gains haste until end of turn.
Draw a card.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{3}, Sacrifice Herbal Poultice: Regenerate target creature.

Battered Golem doesn't untap during your untap step.
Whenever an artifact enters, you may untap Battered Golem.

Flying
Whenever you cast an artifact spell, you may untap target creature.

Devoid (This card has no color.)
{T}: Nettle Drone deals 1 damage to each opponent.
Whenever you cast a colorless spell, untap Nettle Drone.