This is of Mythic Rare rarity
Even Spider-Man-themed Commander decks will have better options than this
Abomination of Llanowar Belbe, Corrupted Observer Deathbloom Ritualist Deathrite Shaman Drey Keeper Eclipsed Elf Elvish Vatkeeper Glissa Sunslayer Glissa, Herald of Predation Glissa, the Traitor Glowspore Shaman Golgari Findbroker Golgari Guildmage Harald, King of Skemfar High Perfect Morcant Izoni, Center of the Web Izoni, Thousand-Eyed Jarad, Golgari Lich Lord Kagha, Shadow Archdruid Korozda Guildmage Lathril, Blade of the Elves Llanowar Dead Lluwen, Exchange Student Lluwen, Imperfect Naturalist Morcant's Loyalist Nath of the Gilt-Leaf Ochran Assassin Poison-Tip Archer Rakish Scoundrel Savra, Queen of the Golgari Shaman of the Pack Shessra, Death's Whisper Stoic Grove-Guide Storrev, Devkarin Lich Swarm Guildmage Tribune of Rot Trystan's Command Twinblade Assassins Tyvar the Bellicose Underrealm Lich Wardens of the Cycle Winnowing Forces
Pros of going second Well, theres really only one pro to going second, but its pretty major
By having a forest in play, Kird Ape gets stronger
Petra Sphinx Petra Sphinx is the only mono-white sphinx in Magic, but its also the very first sphinx to see print all the way back in Legends