WhiteoutHow it works & interactions with other cards

Grounding the Skies

When Whiteout resolves, its first effect applies a continuous effect that lasts until the end of the turn. Every creature currently on the battlefield loses flying. If a creature had multiple instances of flying, it loses all of them. This is particularly useful for setting up blocks against an opponent who relies on aerial superiority to bypass your ground forces.

Recursive Snow Mechanics

The second ability of Whiteout is an activated ability that functions only while the card is in your graveyard. By sacrificing a snow land as a cost, you can return Whiteout to your hand. Since this is an activated ability and not a spell, it can be done at any time you have priority, even in response to graveyard exile effects. Remember that 'snow land' includes any land with the Snow supertype, such as Snow-Covered Forest.

Timing and Layers

A common mistake involves timing: Whiteout only affects creatures that are on the battlefield when it resolves. If a creature enters the battlefield later in the turn, or if a non-creature permanent becomes a creature with flying after Whiteout has resolved, that new creature will still have flying. Furthermore, if a creature gains flying via a new effect after Whiteout has resolved, it will have flying due to timestamp order.

When to Cast Whiteout

Strategically, you should cast Whiteout during the Declare Attackers step if you need to block flying creatures. Because it is an instant, you can wait until your opponent commits to their attack. Alternatively, use it during your own turn to remove flying from blockers, allowing your own large ground creatures to swing through for lethal damage.

Interaction examples

Defensive Grounding

Beast Within

Your opponent casts Beast Within on your best blocker, giving you a 3/3 Beast token. When they then attack with a flying creature, you cast Whiteout. The flying creature loses flying, allowing your new 3/3 Beast token to legally block it and save your life total.

Protection and Recycling

Heroic Intervention

You have Whiteout in your graveyard and a snow land on the field. Your opponent attempts to exile your graveyard. In response, you sacrifice the snow land to return Whiteout to your hand. Later, you cast Heroic Intervention to protect your board, and then cast Whiteout to ensure your indestructible creatures can block your opponent's flyers safely.

The Recursive Engine

During your opponent's turn, you cast Whiteout to stop an aerial assault. Once it is in the graveyard, you sacrifice a Snow-Covered Forest to return it to your hand. On your next turn, you can cast it again to ensure your ground creatures can't be blocked by flying defenders, showing the power of the card's self-recursion.