Kaldheim

Runeforge Champion | Creature | Dwarf Warrior | When Runeforge Champion enters the battlefield, you may search your library and/or graveyard for a Rune card, reveal it, and put it into your hand. If you search your library this way, shuffle. You may pay {1} rather than pay the mana cost for Rune spells you cast. | Andrey Kuzinskiy

Reidane, God of the Worthy | Legendary Creature | God | Flying, vigilance Snow lands your opponents control enter the battlefield tapped. Noncreature spells your opponents cast with mana value 4 or greater cost {2} more to cast. | Jason Rainville

Sigrid, God-Favored | Legendary Creature | Human Warrior | Flash First strike, protection from God creatures When Sigrid, God-Favored enters the battlefield, exile up to one target attacking or blocking creature until Sigrid leaves the battlefield. | Johannes Voss

Righteous Valkyrie | Creature | Angel Cleric | Flying Whenever another Angel or Cleric enters the battlefield under your control, you gain life equal to that creature's toughness. As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2. | Chris Rahn

Cosima, God of the Voyage | Legendary Creature | God | At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land enters the battlefield under your control, if Cosima is exiled, you may put a voyage counter on it. If you don't, return Cosima to the battlefield with X +1/+1 counters on it and draw X cards, where X is the number of voyage counters on it." | Micah Epstein

Varragoth, Bloodsky Sire | Legendary Creature | Demon Rogue | Deathtouch Boast — {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.) | Tyler Jacobson

Egon, God of Death | Legendary Creature | God | Deathtouch At the beginning of your upkeep, exile two cards from your graveyard. If you can't, sacrifice Egon and draw a card. | Jason A. Engle

Arni Brokenbrow | Legendary Creature | Human Berserker | Haste Boast — {1}: You may change Arni Brokenbrow's base power to 1 plus the greatest power among other creatures you control until end of turn. (Activate only if this creature attacked this turn and only once each turn.) | Dmitry Burmak

Birgi, God of Storytelling | Legendary Creature | God | Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end. Creatures you control can boast twice during each of your turns rather than once. | Eric Deschamps

Old-Growth Troll | Creature | Troll Warrior | Trample When Old-Growth Troll dies, if it was a creature, return it to the battlefield. It's an Aura enchantment with enchant Forest you control and "Enchanted Forest has '{T}: Add {G}{G}' and '{1}, {T}, Sacrifice this land: Create a tapped 4/4 green Troll Warrior creature token with trample.'" | Jesper Ejsing

Realmwalker | Creature | Shapeshifter | Changeling (This card is every creature type.) As Realmwalker enters the battlefield, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library. | Zack Stella

Jorn, God of Winter | Legendary Snow Creature | God | Whenever Jorn attacks, untap each snow permanent you control. | Magali Villeneuve

Sarulf, Realm Eater | Legendary Creature | Wolf | Whenever a permanent an opponent controls is put into a graveyard from the battlefield, put a +1/+1 counter on Sarulf, Realm Eater. At the beginning of your upkeep, if Sarulf has one or more +1/+1 counters on it, you may remove all of them. If you do, exile each other nonland permanent with mana value less than or equal to the number of counters removed this way. | Chris Rahn