Kaldheim

Ascendant Spirit | Snow Creature | Spirit | {S}{S}: Ascendant Spirit becomes a Spirit Warrior with base power and toughness 2/3. {S}{S}{S}: If Ascendant Spirit is a Warrior, put a flying counter on it and it becomes a Spirit Warrior Angel with base power and toughness 4/4. {S}{S}{S}{S}: If Ascendant Spirit is an Angel, put two +1/+1 counters on it and it gains "Whenever this creature deals combat damage to a player, draw a card." | Lie Setiawan

Frost Augur | Snow Creature | Human Wizard | {S}, {T}: Look at the top card of your library. If it's a snow card, you may reveal it and put it into your hand. ({S} can be paid with one mana from a snow source.) | Cristi Balanescu

Brinebarrow Intruder | Creature | Human Rogue | Flash When Brinebarrow Intruder enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn. | Scott Murphy