"Where Are My Dragons?!" Pokmon Paradise Dragona Japanese Booster Box - Scarlet & Violet Series
A green card is any card that has green in its mana cost or a green color indicator
Given that Commander 2018 is a slightly older product, chances are your LGS doesnt have its shelves stacked to the brim with it
Example Decklist: Selesnya Ouroboroid in Standard Ouroboroid | Illustration by Samuel Perin Planeswalker (1) Creatures (28) Agent Bishop, Man in Black x2 Ambitious Augmenter x2 Badgermole Cub x4 Dyadrine, Synthesis Amalgam x2 Leatherhead, Swamp Stalker x2 Llanowar Elves x4 Michelangelo, Weirdness to 11 x3 Ouroboroid x3 Pawpatch Recruit x4 Surrak, Elusive Hunter x2 Instants (2) Erode x2 Sorceries (4) Enchantments (2) Seam Rip x2 Lands (23) Abandoned Air Temple x3 Forest x7 Hushwood Verge x4 Multiversal Passage x2 Plains x2 Starting Town Temple Garden x4 Sideboard (15) Ba Sing Se Defend the Rider x2 Elspeth, Storm Slayer Erode Keen-Eyed Curator x2 Rest in Peace x2 Scrapshooter x2 Sheltered by Ghosts x3 Surrak, Elusive Hunter Green monsters are no stranger to Magic, and I bet that 10 years from now, a heavy green deck can rock a low curve and competitive
Next year (Nemesis 2000) we get this new take on this pinging hydra
So if your opponent controls a swamp, Bog Wraith can't be blocked