DCI Certified Judge & Goth/Industrial/EBM/Indie/Alternative/80's-Wave DJDJ VortexDCI Certified Judge since July 13, 2013
DCI #5209514320My Wife's Makeup Artist Page <-- cool stuff - check it out
That, to me, means that it doesn't matter how long they've been on the battlefield, it matters how long they've been permanents with the world supertype. Assuming at least two permanents are becoming Concordant Crossroadses at this instant (and I believe that's automatic, as Opalescence is one and Enchanted evening is one), I believe it is a tie for "shortest amount of time it has been a world supertype permanent on the battlefield", and all go poof.
I'm a Rules Advisor now
"Simple questions" usually need rather complex answers, while complex questions often come down to no more than a simple "yes" or "no".
What part of hayaku ikee did you not understand?
Who truly runs this city? Look to the sky on hallowed days, and see whose sigil is stamped clearly onto the heavens. - Vuliev of the Ghost Council
We have no need for military might. We wield two of the sharpest swords ever forged: Faith in our left hand, Wealth in our right. - Vuliev of the Ghost Council
Options will cost you, but a lack of them will cost you even more.
The wizard who reads a thousand books is powerful. The wizard who memorizes a thousand books is insane.
A single dedicated mind can bring about the greatest destruction. That, or goblins - goblins work too.
Of course you should fight fire with fire. You should fight everything with fire. - Jaya Ballard, task mage
He unmakes the world in his own image.
Who's the crazy one now? - Torgle, mountaintop boatmaker
Fair? At what point in our negotiations did you convince yourself my goal was to be fair?
After breaking free from the Riptide Project, the slivers quickly adapted to life on Otaria - much to the dismay of life on Otaria.
Choices are rarely as simple as they seem.
If that were so, the rule should read «...all except the one that has been a permanent with the world supertype on the battlefield for the shortest amount of time ...»because «been a permanent» and «on the battlefield» are redundant.