It is speculated that the US/UK release will be in a similar window.
The durable construction means they wont break down or peel so your cards will be safe and secure no matter how often you play
Corpse Knight works into the mix as a multicolored Knight that turns on both of the aforementioned Knights
Owner's Pokemon Best Friends For Life Owner's Pokemon, also known as Trainer's Pokemon, have been one of the more consistent gimmicks throughout the history of the TCG, and they are also one of the best for collectors
Some commons appear in such close proximity that if you assume sequential collation, you could get duplicates in one pack (for example the two Poliwag on the last row, two Sentret on the tenth and two Unown E on the eighth)
Characters like Chopper, Brook, and Oden had received minimal premium treatments in OP-01 through OP-05, creating collector gaps that EB-01 filled strategically