Due to Phyrexian mana, it truly is an evergreen card that can perform well in every deck / sideboard
Eternal Might reinvented the Zombie tribe for the Aetherdrift setting, moving away from slow attrition to high-velocity aggro
Spright Elf was amazing for the deck, as it allowed players to get resources back, and multiple cards in the archetype were phenomenal pieces of interruption
Theyre all categorised with TG prefixes on their card numbers, to make identifying them incredibly straightforward
When it comes to card games, rarity is a good indicator of the designers letting us know what to look out for
Grass will work, but so will water,metal, or any other Energy type