They have some of the strongest typal synergies in the game, with elfball decks capable of casting 10 spells in a single turn and hurling a Craterhoof Behemoth at unsuspecting players to close things out
A PSA 10 slab adds 38-75% to a Japanese SARs value Pikachu ex SAR jumps from 55,000 raw to ~$516 graded
In the example of the Jund lands-matter deck, I dont precisely remember if some of the misconception on how strong the theme was originated from Gavins article on the design of the product or an early listing of the deck and its promotion text on the back of the box: Lord Windgrace saw his entire world devastated by the detonation of a magical device, instilling in him a hatred of artifacts
Commander 2016 Tokens (TC16) #5 Common English Nonfoil
Golgari Persist: Green is really good at killing artifacts, and Golgari specifically offers unconditional removal like Assassin's Trophy and Abrupt Decay
Learn also brought the tactical play of sideboarding into the game itself, which added multiple new layers to both deckuilding and gameplay