So, it was pointed out to me that two of the new cards from Eldritch Moon are really best buddies with Quiet Speculation; Curious Humonculous and Bedlam Reveler. One speculation flips your Humonculous, and thereafter you get to pay U + 2 life to draw a card three times out of the yard AND pump your Humonculous along the way. Seems pretty sick. One speculation also almost completely pays for Reveler. Both have Prowess, so they work fine with a Mentor-type list.
At the outset, I'm pretty sure any deck that relies on the yard like this is doomed to be worse than dredge but hosed by dredge hate, so I don't expect this to be something competitive.
I'm also pretty sure that vertical growth, even as cool as it is on these guys, is still just a nobo in a world of tokens.
But, the nugget is there, and I wanted to talk about whether this is something worth exploring.
Here's a draft list to think about:
CURIOUS AND QUIET MENTOR
Creatures (8)
3 Curious Humonculous
4 Monestary Mentor
1 Bedlam Reveler
Spells (33)
6 Mox+Lotus
1 A Recall
1 Brainstorm
1 Flusterstorm
2 Quiet Speculation
3 Mental Misstep
2 Preordain
1 Ponder
1 Pyroblast
1 Swords to Plowshares
1 Time Walk
2 Dack Fayden
1 Jace, the Mind Sculptor
4 Force of Will
3 Deep Analysis
1 Dig Through Time
1 Treasure Cruise
1 Ancient Grudge
1 Flash of Defiance
Lands (18)
4 Flooded Strand
3 Scalding Tarn
1 Island
1 Mountain
1 Plains
1 Library of Alexandria
3 Tundra
3 Volcanic Island
1 Tropical Island
The idea here is to take the usual Mentor shell, but give it some vertical growth in the form of Reveler and Humoncolous. Running Quiet Speculation also gives us an interesting answer to opponent's token swarms in the form of Flash of Defiance. Doesn't get past Pyromancer tokens, but it does let us alpha right past an opposing Mentor or white hatebears.
I dunno, seemed interesting enough for discussion.