On the low end are powerful cards like Momo's Heist, Mirkwood Bats, and Donatello, Gadget Master that hover around $1 and some still end up at bulk prices
Remember, the spell resolves in order, so your creature can become indestructible over the top of the humility effect, which will negate any Heroic Interventions
While its easy to forget the lands that help us, as players, generate the mana to create these experiences, their support isnt something we should neglect in deckbuilding
I was a bit surprised by quite how effective the Grey Merchant is, initially intending it to reside in the C cube only to come out for quirky decks but it seems comfortably powerful enough for a main cube slot
Regenerative blocker too
The wording on Otawara, Soaring City works on manlands because this effect usually specifies nonland permanents