Every planeswalker printed until 2017 will have at least one planeswalker ability that can always be used (regardless of board state or remaining loyalty).

Created by Roxolan on 2013-05-05; known on 2017-01-01; judged right by Roxolan on 2017-01-01.

• Roxolan estimated 85% on 2013-05-05
• Roxolan said “Not counting unlikely corner cases (like how Liliana Vess’ +2 can’t be used if every player somehow acquired shroud).” on 2013-05-06
• Roxolan said “(I mean Vess’ +1)” on 2013-05-06
• JoshuaZ estimated 75% on 2013-05-06
• ygert estimated 90% on 2013-06-12
• Roxolan   judged this prediction right on 2017-01-01.