March of the Machine Phyrexia: All Will Be One The Brothers' War Dominaria United Streets of New Capenna Kamigawa: Neon Dynasty Innistrad: Crimson Vow Innistrad: Midnight Hunt Adventures in the Forgotten Realms Strixhaven Kaldheim Zendikar Rising Core 2021 Ikoria Lair of Behemoths Theros Beyond Death Throne of Eldraine Core Set 2020 War of the Spark Ravnica Allegiance Guilds of Ravnica Core Set 2019 Dominaria Rivals of Ixalan Ixalan Hour of Devastation Amonkhet Aether Revolt Kaladesh Eldritch Moon Shadows over Innistrad Oath of the Gatewatch Battle for Zendikar Magic Origins Dragons of Tarkir Fate Reforged Khans of Tarkir Magic 2015 Journey into Nyx Born of the Gods Theros Magic 2014 Dragon's Maze Gatecrash Return to Ravnica MTG Pioneer banlist But not every card from those sets is legal in Pioneer
Aurora, Regal Princess x3 Aurora, Briar Rose x3 Aurora, Dreaming Guardian x1 Flounder, Voice of Reason x2 Gramma Tala, Storyteller x2 Jasmine, Disguised x2 Maleficent, Sinister Visitor x3 Maleficent, Uninvited x1 Mickey Mouse, Detective x3 Mufasa, King of the Pride Lands x2 Scar, Mastermind x1 Develop Your Brain x3 One Jump Ahead x2 Coconut Basket x3 Magic Golden Flower x2 Beast, Hardheaded x2 Cpatain Hook, Forceful Duelist x3 Goons, Maleficents Underlings x2 Hercules, True Hero x2 Kristoff, Official Ice Master x2 Maui, Demigod x1 Prince Eric, Dashing and Brave x2 Simba, Rightful Heir x2 Simba, Returned King x1 Fire the Cannons x2 Grab Your Sword x1 Ransack x2 Smash x2 Frying Pan x2
Not just that: its most synergistic with effects that are complicated, unique and scalable
That way, you can reset your O-rings and capture whatever comes out of the Helvault again
In exchange for being much easier to cast at 3 mana, you receive a dream counter for each opponent you have instead of a fixed amount, and you have to tap to remove the counters for mana, slowing this iteration down considerably
BPhillipYork: For commander this just doesn't seem like it will do quite enough
