In the Standard top 8 decks or sideboards of Pro Tour Theros, there will be at least one copy of: Thoughtseize

Created by Roxolan on 2013-09-14; known on 2013-10-14; judged right by prototrout on 2013-10-13.

• Roxolan estimated 97% on 2013-09-14
• prototrout estimated 95% on 2013-10-03
• prototrout   judged this prediction right on 2013-10-13.