The value of X in the activation cost of Elite Arcanist's other ability is the sum of the two cards' mana values
Some of these items are large, heavy and/or bulky (items such as Threaders, Benders, Panel Saws, Generators, etc)
The art used on the rare Islands was the same as the lower rarity, so there isn't any way now to tell which Islands from Alpha and Beta were the rare ones
Aatchik, Emerald Radian Basri, Tomorrow's Champion Caelorna, Coral Tyrant Captain Howler, Sea Scourge Caradora, Heart of Alacria Daretti, Rocketeer Engineer Far Fortune, End Boss Gonti, Night Minister Hazoret, Godseeker Kalakscion, Hunger Tyrant Ketramose, the New Dawn Kolodin, Triumph Caster Lagorin, Soul of Alacria Loot, the Pathfinder Mendicant Core, Guidelight Mimeoplasm, Revered One Mu Yanling, Wind Rider Oviya, Automech Artisan Redshift, Rocketeer Chief Sab-Sunen, Luxa Embodied Samut, the Driving Force Sita Varma, Masked Racer Sundial, Dawn Tyrant Terrian, World Tyrant The Speed Demon Tyrox, Saurid Tyrant Vnwxt, Verbose Host Winter, Cursed Rider Zahur, Glory's Past
While the "once per turn" limitation sounds rough, don't forget it's a "you may" ability
Another way to fix the Misty Supporter card is by reducing the number of coins that can be flipped