Cast Winter's Chill only during combat before blockers are declared.
X can't be greater than the number of snow lands you control.
Choose X target attacking creatures. For each of those creatures, its controller may pay
![1 1](/images/productsymbols/1_icon.gif)
or
![2 2](/images/productsymbols/2_icon.gif)
. If that player doesn't, destroy that creature at end of combat. If that player pays only
![1 1](/images/productsymbols/1_icon.gif)
, prevent all combat damage that would be dealt to and dealt by that creature this combat.