It works particularly well in this archetype because leave the graveyard cards are often triggered by other things that generate an advantage: You might return creatures to your hand with a Regrowth, reanimate a creature, play lands from your graveyard, etc
Watch pop reports: A low population of 10s (or any Black Labels) can signal long-term scarcity
26 creatures would still be a very creature heavy deck, but would have room for a few more utility spells, namely a minimum of 4x removal spells and maybe a couple of copies of Pull from Eternity, so even if a creature that you've cast for it's Disturb cost is removed, you can still bring it back
It is an underrated deck as it is not that easy to play, but it has managed to put up multiple impressive results in the last few months even while being very underrepresented
The name of the legendary card must be identical
Promos, Art Cards, and any Enchanted one are all kept in the Stitch Collector binder that was released as part of the Sail to the Azurite Sea set, as I love the way it shows off the complete art cards