Winter's Chill

Text:

Cast this spell 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 or . If that player doesn't, destroy that creature at end of combat. If that player pays only , prevent all combat damage that would be dealt to and dealt by that creature this combat.

Rulings:

• 10/4/2004 The payments are made when the spell resolves. The three options are: pay <img src="/Handlers/Image.ashx?size=small&amp;name=2&amp;type=symbol" alt="2" align="absbottom" /> to let creature act as normal, pay <img src="/Handlers/Image.ashx?size=small&amp;name=1&amp;type=symbol" alt="1" align="absbottom" /> to have creature neither deal or receive damage, or pay nothing and the creature does deal and receive damage but it will be destroyed at end of combat.
• 9/20/2013 If a turn has multiple combat phases, this spell can be cast during any of them as long as it’s before the beginning of that phase’s Declare Blockers Step.