Any such abilities that are still on the stack won't count toward the total
Marvo, Deep Operative Listed at: $2.00 Marvo, Deep Operative resurrects the clash mechanic
We havent had a card in the game yet that allows you to do this without having to challenge and banish an opposing character ( Te Ka Heartless and Simba Rightful Heir come to mind)
Most lands arent good indicators for the effect of rotation, because they are either on their first printing and getting wide use (triomes, the MID/VOW slowlands) or because they have been printed more than once and their price cant move without major, major things happening (painlands)
It gives you consistent value with a scry 1 every time a creature ETB's under your control, and the second time that happens in a turn, you get to draw a card
In terms of nonbasic Lands, weve got a couple of utility lands worth noting