The deck is packed to the brim with cantrips and card draw spells, so Nadir Kraken quickly gets out of hand as both a token generator and potent threat
Jetfire, Ingenious Scientist / Jetfire, Air Guardian Generating mana and converting back and forth makes Jetfire, Ingenious Scientist such a neat build-around
Transforming Etali, Primal Conqueror is mostly a last resort though, because why would you not want to keep casting Etali, Primal Conqueror to play all of your opponents' decks
On the other hand, in three-, four-, or five-color decks, playing any non-basic land that only taps for a single color of mana is a big cost
They include Vault Door, which gives extra staying power to your locations and the characters stationed there, along with the Sumerian Talisman item, which lets you draw a card when one of your characters gets banished
The cards themselves can be found in The First Chapter set, but without the special 1st Edition Logo or D23 Logo on them