Welding Jar

Sacrifice Welding Jar: Regenerate target artifact.

Nettle Drone

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

Devoid (This card has no color.)
Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target.

{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.

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

Draw three cards. Then discard two cards unless you discard an artifact card.

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {R}.

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