In May, we not only got the fourth chapter of the game ( Ursula's Return ) but also the cooperative standalone game Illumineers Quest: Deep Trouble
Those amounts are then doubled to 4 and 6, respectively
Getting those win conditions is going to be the luck of the draw, so any upgrades to it should put multiple copies of Mirabel and Isabela into the deck
Ice Magic is generally better than Stuck in Summoner's Sanctum due to its flexibility and that it triggers 4+ payoffs
Generally speaking, I want to build my Limited decks to consistently curve out with a two-drop like Cruella De Vil - Fashionable Cruiser on turn two, a three-drop like Piglet - Very Small Animal on turn three, a four-drop like Beast - Forbidding Recluse on turn four, and five-drop like Winnie the Pooh - Hunny Wizard on turn five
Thankfully, things get a bit better after that