Either way the practical effect is real: Japanese sets produce more high rarity cards per case than English equivalents, which increases supply and can soften prices on Japanese graded copies of those cards specifically
Its just a 2-card collector booster, with one card being a rare or mythic from the set and the other being a foil common or uncommon
Command the battlefield with this custom 100-card Upkeep Triggers Commander deck featuring Obeka, Splitter of Seconds
However, there are a few solid cards included in this deck list, including the highly effective Dual-Ink Giant Cobra character which is currently Amethyst/Steels Dual-Ink card of choice
Instead, Red gets to Panic a creature
(Aside: if you look through cards from the first couple years of Magic, youll be amazed by exactly how many of them make it impossible for your opponent to play spells or take relevant game actions