The creature side of things is Questing Druid, a two-mana green 1/1 that reads: Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on Questing Druid. In the right deck, this card isnt just card draw but a terrifying threat, as it could grow absolutely massive fairly quickly
The artwork shows Mirabel holding the miracle candle as the magic in the air shows images of her family and glowing butterflies
Isshin decks typically combine token generators like Adeline, Resplendent Cathar with burn effects like Hellrider and Purphoros, God of the Forge to blitz the table to 0 before they can react
Angels have long lent combat prowess to decks, and the likes of Sublime Archangel and Angelic Skirmisher skirt the same design space, and could lend a lot of potential to the right build alongside Akroma