This is a true hyper-carry play: high risk, instant reward
They even play it, so thats the proof that the deck doesnt care about this: Fenrir/TKash are Psychic, Kaleido/Grapha are Fiends, Reino/Baronne/the Heroes are Warriors, the girls/Rulkallos/Toad/Nessie are Aqua, Chimera is a Beast, Dragostapelia is a Plant, Mothman is an Insect, etc
Cards from the bonus sheet aren't found in the wildcard or traditional foil slot in Play Boosters
With Always Watching alongside Thalias Lieutenant and Gideon, Ally of Zendikars emblem, you have a lot of ways to boost your creatures and a lot of control of how big you want them
When another face-up monster you control is targeted for an attack: You can send 1 Spell/Trap Card you control to the Graveyard
Scenario Cards (Unique Icons) Found exclusively in the Illumineers Quest cooperative sets