If the effect causing you to have no maximum hand size ends, Inspired Idea's effect will apply at that time
Equipment makes a lot of sense for big flying creatures with lots of good abilities
It's actually one of the first published locations for the Forgotten Realms (it was featured in a novel shortly before that world's full introduction in 1987), and ended up being part of an extensive retcon that incorporated other settings into the Sword Coast
Stangg, Echo Warrior Much like Kosei, Penitent Warlord, Stangg, Echo Warrior decks want a healthy mix of auras and equipment
You can also set up all of the damage but not challenge, then shift Robin Hood Sneaky Sleuth on top for good lore gain
You can add as many requirements as you like, and the calculator accounts for the full multivariate interaction between them