Conspiracy cards have no subtypes
Case-sensitivity Verify that you are writing the codes in a case-sensitive way, i.e., that each code has the appropriate letter capitalization
As for the structure of the game, it could follow a very similar premise as the other two entries where the protagonist would need to battle eight Club Masters followed by the Grand Masters
For a lot of decks, no weak monsters mean no strong monsters either
Worst-case, you get a 3-mana 3/3 that can Threaten a one mana value creature
24 Spells Ancient Stirrings Boreal Druid Search for Tomorrow Unbridled Growth Joraga Treespeaker Wild Growth Grapple with the Past Satyr Wayfinder Explore Mind Stone Warping Wail Walking Ballista Matter Reshaper Dismember Ramunap Excavator Though-Knot Seer Surrak, Hunt Caller Garruk, Wildspeaker Reality Smasher Ishkana, the Grafwidow Nissa, Vital Force Endbringer Worldbreaker Emrakul, the Promised End 16 Lands Llanowar Wastes Karplusan Forest Grove of the Burnwillows Hashep Oasis Kessig Wolf Run Eldrazi Temple Wastes Taiga Wooded Foothills Ash Barrens Wastelands Field of Ruin 4 Forests A few other cards that would work nicely in this list