Thankfully, we wont have to wait long for more information, at least

Beledros Witherbloom Chevill, Bane of Monsters Cleopatra, Exiled Pharaoh Crime // Punishment Deadbridge Chant Dina, Essence Brewer Fiend Artisan Garruk, Apex Predator Garruk, Cursed Huntsman Garruk, the Veil-Cursed Glissa, the Traitor Gorma, the Gullet Grim Flayer Grist, the Hunger Tide Grist, the Plague Swarm Gyome, Master Chef Harness Infinity Hazel of the Rootbloom Ikra Shidiqi, the Usurper Jarad, Golgari Lich Lord Lathril, Blade of the Elves Lord of Extinction Mazirek, Kraul Death Priest Meren of Clan Nel Toth Michonne, Ruthless Survivor Nissa of Shadowed Boughs Pernicious Deed Pharika, God of Affliction Polukranos, Unchained Professor Dellian Fel Rendmaw, Creaking Nest Reyhan, Last of the Abzan The Coming of Galactus The Gitrog Monster The Gitrog, Ravenous Ride The Last Ronin The Mycotyrant The Odd Acorn Gang Tyvar the Bellicose Underrealm Lich Urgent Necropsy Vraska the Unseen Vraska, Golgari Queen Vraska, Regal Gorgon Vraska, Relic Seeker Vraska, the Silencer Willowdusk, Essence Seer Winter, Cynical Opportunist Witherbloom, the Balancer Ygra, Eater of All

This seemed like a cute little card at first blush, but after seeing it in action the past half-year, I have to say this is quietly one of the coolest blue Commander cards to be printed in a long while
Theyre pretty good lands in a lot of decks because they come in untapped and give you the option of two different colors of mana when they come down
Set: XY: Ancient Origins Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless,Colorless