While most precons come with the necessary Sol Ring and Arcane Signet, plus a handful of slower mana rocks, they wont hold their own against any deck running Ancient Tomb, Grim Monolith, and many more of the game changers that infrequently come from precons
Boomerang Basics Boomerang Basics is a sorcery, sure, but 1-mana bounce effects are still somewhat playable, in the right decks
I'm a sucker for untapping abilities and the easy lifegain from Soul Sister cards lets Ragost do its thing early and often
Regice is weak only to steel types, so that makes it tough if you're conditioned to "fire trumps ice." 6 Neo Destiny Shining Charizard
The UC code is the only differentiation from Common when cards are sleeved
A Collector's Hotspot: Future Flash is a top-tier set for grading with PSA/CGC, with chase cards logging major value spikes in the secondary market