Kaldheim

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

Boreal Outrider | Snow Creature | Elf Warrior | Whenever you cast a creature spell, if {S} of any of that spell's colors was spent to cast it, that creature enters the battlefield with an additional +1/+1 counter on it. ({S} is mana from a snow source.) | Alex Konstad

Gladewalker Ritualist | Creature | Shapeshifter | Changeling (This card is every creature type.) Whenever another creature named Gladewalker Ritualist enters the battlefield under your control, draw a card. | Irina Nordsol

Esika, God of the Tree | Legendary Creature | God | Vigilance {T}: Add one mana of any color. Other legendary creatures you control have vigilance and "{T}: Add one mana of any color." | Johannes Voss

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

Icehide Troll | Snow Creature | Troll Warrior | {S}{S}: Icehide Troll gets +2/+0 and gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it. {S} can be paid with one mana from a snow source.) | Andrey Kuzinskiy

Horizon Seeker | Creature | Human Warrior | Boast — {1}{G}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. (Activate only if this creature attacked this turn and only once each turn.) | Matt Stewart

Gnottvold Recluse | Creature | Spider | Reach | Nicholas Gregory

Harald, King of Skemfar | Legendary Creature | Elf Warrior | Menace (This creature can't be blocked except by two or more creatures.) When Harald, King of Skemfar enters the battlefield, look at the top five cards of your library. You may reveal an Elf, Warrior, or Tyvar card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Grzegorz Rutkowski

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

Svella, Ice Shaper | Legendary Snow Creature | Troll Warrior | {3}, {T}: Create a colorless snow artifact token named Icy Manalith with "{T}: Add one mana of any color." {6}{R}{G}, {T}: Look at the top four cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. | Andrew Mar