Kaldheim

Karfell Harbinger | Creature | Zombie Wizard | {T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell. | Josh Hass

Pilfering Hawk | Snow Creature | Bird | Flying {S}, {T}: Draw a card, then discard a card. ({S} can be paid with one mana from a snow source.) | Dan Scott

Avalanche Caller | Snow Creature | Human Wizard | {2}: Target snow land you control becomes a 4/4 Elemental creature with hexproof and haste until end of turn. It's still a land. (A creature with hexproof can't be the target of spells or abilities your opponents control.) | Mathias Kollros