If you ever cast a large spell, the games practically over
Playtest cards are a unique set of Magic: The Gathering cards
(It doesn't need to have gone on the adventure first.) Edgewall Innkeeper's ability resolves before the spell that caused it to trigger
The reason it got shot down (by Brady Dommermuth, the man in charge of the creative team at the time) was that it was a plan where we were essentially building three completely different worlds and Brady was worried the creative team wouldn't be able to do it with the resources available
Warehouse Krark's Thumb Krark, the Thumbless Mana Clash Mana Crypt Mana Screw Mijae Djinn Mirror March Mirrored Depths Mogg Assassin Molten Birth Molten Sentry Mutalith Vortex Beast Negative Zone Portal Odds // Ends Odds // Ends Okaun, Eye of Chaos Orcish Captain Planar Chaos Plasma Caster Pokey, the Scallywagg (playtest) Puppet's Verdict Rakdos, the Showstopper Ral Zarek Ral, Monsoon Mage Risky Move Scoria Wurm Setzer, Wandering Gambler Skittish Valesk Skyclaw Thrash Sorcerer's Strongbox Squee's Revenge Stitch in Time Tavern Scoundrel Tavern Swindler The Gold Saucer Tide of War Unleash the Flux
If that's more your speed, then I have the reprint for you: That's right, everyone's favorite Boros Angel, Aurelia, the Warleader, is back