Madison Li Dynaheir, Invoker Adept Elsha of the Infinite Elsha, Threefold Master Gandalf of the Secret Fire Gavi, Nest Warden Ghost-Spider Gnostro, Voice of the Crags Hinata, Dawn-Crowned Jodah, Archmage Eternal Kasla, the Broken Halo Kate Stewart Kilo, Apogee Mind Kykar, Wind's Fury Leori, Sparktouched Hunter Liberty Prime, Recharged Narset, Enlightened Exile Narset, Enlightened Master Narset, Jeskai Waymaster Nia, Fabled Skyclimber Numot, the Devastator Optimus Prime, Hero Pramikon, Sky Rampart Ruhan of the Fomori Saint Traft and Rem Karolus Satya, Aetherflux Genius Sevinne, the Chronoclasm Shiko and Narset, Unified Shiko, Paragon of the Way Sokka and Suki Sokka, Tenacious Tactician Tetzin, Gnome Champion The Archimandrite The Face of Boe The Golden-Gear Colossus Vadrok, Apex of Thunder Vadrok, Apex of Thunder Zedruu the Greathearted Zinnia, Valley's Voice Zurgo and Ojutai owyn, Shieldmaiden
Going second just break the board with droplets and power spells, and then try to go for game
You should be able to build your deck to maximize the turtle without compromising it to settle for creatures that aren't playable
Some cards cant be reprinted at all thanks to the Reserved List, while some cards like Sheoldred, the Apocalypse surpass the $80+ mark and arent going anywhere