Kaldheim

Frost Bite | Snow Instant | | Frost Bite deals 2 damage to target creature or planeswalker. If you control three or more snow permanents, it deals 3 damage instead. | Caio Monteiro

Squash | Instant | | This spell costs {3} less to cast if you control a Giant. Squash deals 6 damage to target creature or planeswalker. | Caio Monteiro

Tibalt's Trickery | Instant | | Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order. | Anna Podedworna

Open the Omenpaths | Instant | | Choose one — • Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells. • Creatures you control get +1/+0 until end of turn. | Eric Deschamps

Dual Strike | Instant | | When you cast your next instant or sorcery spell with mana value 4 or less this turn, copy that spell. You may choose new targets for the copy. Foretell {R} (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.) | Nestor Ossandon Leal

Provoke the Trolls | Instant | | Provoke the Trolls deals 3 damage to any target. If a creature is dealt damage this way, it gets +5/+0 until end of turn. | Deruchenko Alexander

Smashing Success | Instant | | Destroy target artifact or land. If an artifact is destroyed this way, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Slawomir Maniak

Run Amok | Instant | | Target attacking creature gets +3/+3 and gains trample until end of turn. | Johann Bodin

Demon Bolt | Instant | | Demon Bolt deals 4 damage to target creature or planeswalker. Foretell {R} (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.) | Campbell White