Kaldheim

Frostpyre Arcanist | Creature | Giant Wizard | This spell costs {1} less to cast if you control a Giant or a Wizard. When Frostpyre Arcanist enters the battlefield, search your library for an instant or sorcery card with the same name as a card in your graveyard, reveal it, put it into your hand, then shuffle. | Sam Rowan

Thornmantle Striker | Creature | Elf Rogue | When Thornmantle Striker enters the battlefield, choose one — • Remove X counters from target permanent, where X is the number of Elves you control. • Target creature an opponent controls gets -X/-X until end of turn, where X is the number of Elves you control. | Magali Villeneuve

Rootless Yew | Creature | Treefolk | When Rootless Yew dies, search your library for a creature card with power or toughness 6 or greater, reveal it, put it into your hand, then shuffle. | Nicholas Gregory

Firja, Judge of Valor | Legendary Creature | Angel Cleric | Flying, lifelink Whenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. | Livia Prima

Maja, Bretagard Protector | Legendary Creature | Human Warrior | Other creatures you control get +1/+1. Whenever a land enters the battlefield under your control, create a 1/1 white Human Warrior creature token. | Lie Setiawan

Narfi, Betrayer King | Legendary Snow Creature | Zombie Wizard | Other snow and Zombie creatures you control get +1/+1. {S}{S}{S}: Return Narfi, Betrayer King from your graveyard to the battlefield tapped. ({S} can be paid with one mana from a snow source.) | Daarken

Moritte of the Frost | Legendary Snow Creature | Shapeshifter | Changeling (This card is every creature type.) You may have Moritte of the Frost enter the battlefield as a copy of a permanent you control, except it's legendary and snow in addition to its other types and, if it's a creature, it enters with two additional +1/+1 counters on it and has changeling. | Eric Deschamps