Kaldheim

Karfell Kennel-Master | Creature | Zombie Berserker | When Karfell Kennel-Master enters the battlefield, up to two target creatures each get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.) | Izzy

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

Tergrid's Shadow | Instant | | Each player sacrifices two creatures. Foretell {2}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) | Yongjae Choi

Cleaving Reaper | Creature | Angel Berserker | Flying, trample Pay 3 life: Return Cleaving Reaper from your graveyard to your hand. Activate only if you had an Angel or Berserker enter the battlefield under your control this turn. | Victor Adame Minguez

Tergrid, God of Fright | Legendary Creature | God | Menace Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control. | Yongjae Choi

Return Upon the Tide | Sorcery | | Return target creature card from your graveyard to the battlefield. If it's an Elf, create two 1/1 green Elf Warrior creature tokens. Foretell {3}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) | Martina Fackova

Kaya the Inexorable | Legendary Planeswalker | Kaya | +1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying." −3: Exile target nonland permanent. −7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost." | Tyler Jacobson

Rampage of the Valkyries | Enchantment | | When Rampage of the Valkyries enters the battlefield, create a 4/4 white Angel creature token with flying and vigilance. Whenever an Angel you control dies, each other player sacrifices a creature. | Billy Christian

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

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