For these cards, you get each of these alternate versions as often as the other and, in total, as often as other Booster Fun cards that only have a single variant
The Trick or Trade Mismagius card originally made its debut in the Astral Radiance TCG expansion in May, but now has a spooky Halloween makeover
On that blog you linked is another post about unlimited cards showing a couple others cards: choco7maron.blog.fc2.com/blog-entry-148.html I think this post explains how they were for teaching kids how to use the e-reader cards at pokemon centers/tournaments and after teaching the kid theyd be given the card
As the metagame has narrowed considerably in recent months, it has also become exploitable by oddball decks like this one and Ad Nauseam
Astrologian's Planisphere This two-cost Blue artifact Equipment with job select Equip for 2 will make it a Wizard and then as you cast non-dorks, toss a +1/+1 counter here and then on your third card drawn each turn, not just yours - brilliant win con there for Spellslinger brews and Commanders for Commander Damage in Cantrips
I love that Cynthias Pokmon feel like a cohesive team instead of a random pile of cards
