Kaldheim

Replicating Ring | Snow Artifact | | {T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color." | Olena Richards

Weathered Runestone | Artifact | | Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries. | Dan Scott

Bloodline Pretender | Artifact Creature | Shapeshifter | Changeling (This card is every creature type.) As Bloodline Pretender enters the battlefield, choose a creature type. Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender. | Slawomir Maniak

Runed Crown | Artifact | Equipment | When Runed Crown enters the battlefield, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attached to Runed Crown. If you search your library this way, shuffle. Equipped creature gets +1/+1. Equip {2} | Randy Gallegos

Colossal Plow | Artifact | Vehicle | Whenever Colossal Plow attacks, add {W}{W}{W} and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end. Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.) | Joe Slucher