3-4 Rainbow lands (Command Tower, *Exotic Orchard, Path of Ancestry)
1 Triome *Mystic Monastery,
10 Fetch lands *Arid Mesa, *Bloodstained Mire, *Evolving Wilds, *Flooded Strand, *Polluted Delta, *Wooded Foothills
3 OG Dual lands Plateau
3 Shock lands *Hallowed Fountain, *Sacred Foundry, *Steam Vents,
3 Bond land Sea of Clouds, Training Center, Spectator Seating
3 Slow land Deserted Beach, Stormcarved Coast, Sundown Pass
1-2 Horizon / Tango land Fiery Islet, *Sunbaked Canyon, Prairie Stream, Radiant Summit
7-10 Basic lands 3 Island, 2 Mountain, 3 Plains
4-6 Utility lands
    *Buried Ruin, *Ghost Quarter, *Inventors' Fair, *Karn's Bastion, *Spire of Industry, *Uthros, Titanic Godcore
Artifact land
    Ancient Den, Darksteel Citadel, Great Furnace, Razortide Bridge, Rustvale Bridge, Seat of the Synod, Silverbluff Bridge

Pain land: *Adarkar Wastes, *Battlefield Forge, *Shivan Reef,
5 Mana rocks
    Arcane Signet, Everflowing Chalice, Pentad Prism, Sol Ring, Solar Array

*Clifftop Retreat, *Glacial Fortress,

****************************************************

https://gatheringgames.co.uk/community/blog/counter-intelligence-precon-upgrade-guide-mtg-edge-of-eternities-commander-decks?srsltid=AfmBOopgmMwmTCeo2ucpnFWNR2p87XswA5RH7h4bdwBOROGeWvP68dzu

https://blog.cardkingdom.com/edge-of-eternities-counter-intelligence-precon-upgrade-guide/


https://www.tcgplayer.com/content/article/Edge-of-Eternities-Counter-Intelligence-MTG-Commander-Precon-Deck-Upgrade-Guide/e53de224-3630-42af-9f3c-eb37393e27e0/?srsltid=AfmBOoplHzgeqaAvxrQ2CogKmyWTgJ0LamDlIAQy5fSnJsnl7QSaLdtu