Unearthly BlizzardHow it works & interactions with other cards

Breaking the Line

When you cast Unearthly Blizzard, you choose up to three target creatures. For the remainder of the turn, those creatures lose the ability to be declared as blockers. This effect persists even if the creatures change controllers or if other effects would normally grant them the ability to block.

The Targeting Process

Because the spell says 'up to three,' you can choose zero, one, two, or three targets. Once the spell begins to resolve, if at least one target is still legal, the spell will affect the remaining legal targets. If all chosen targets become illegal before resolution, the spell will fail to resolve and go to the graveyard with no effect.

Common Pitfalls

A common mistake is forgetting that Unearthly Blizzard must be cast during your pre-combat main phase to be effective. Since it is a sorcery, you cannot cast it during the declare blockers step to 'undo' a block that has already been declared. Once a creature is legally declared as a blocker, removing its ability to block later in the turn does not make the attacking creature unblocked.

Strategic Timing

This spell is best utilized when your opponent relies on a few high-value creatures to hold the line. By targeting their best defenders, you force them to either lose their utility creatures in bad trades or take direct damage to their life total.

Interaction examples

Refueling the Fire

Wheel of Fortune

If your hand is empty and your opponent has a wall of blockers, you can use Wheel of Fortune to draw a fresh hand of seven cards. If you draw Unearthly Blizzard, you can immediately cast it to disable their three best blockers, clearing the path for your creatures to attack for the win.

The Commander's Advantage

Jeska's Will

With your commander on the battlefield, cast Jeska's Will choosing both modes. You generate a burst of red mana and exile the top three cards of your library. If Unearthly Blizzard is among the exiled cards, you use the mana from the first mode to cast it, ensuring your creatures can safely attack past the opponent's defenses.