I would not place a lot of weight on this result in my research because it happened so long ago
Its nice growing creatures with combat-relevant abilities, and double strike is one of the more relevant ones
So you're giving up more LP (unless it's really late-game and you somehow haven't died to a stray burn effect) for 350 more ATK and a probably not-very-significant amount of burn
(And with double the cards per pack, about two-thirds of packs should have at least one luxury rare this time, and around a third should have more than one
If the opponent spends Imperm, Droplet, or generally goes after Rage with any adverse effects, you can use your Shavara to blow up your own Rage and trigger it to recover a fiend and trigger Yama to bring it back (CL 1 Yama, CL 2 Rage)
Closure Mechanism: Magnetic lids are preferred for security and ease of access over friction-fit or sliding designs