We know a lot about how 270-card sets draft, but establishing new paradigms for this new set size would take a lot of work
If the result is 0 or less because of modifications to the result, you don't scry at all
Crosis, the Purger Crosis, the Purger can be pretty threatening if you play it right
however, unlike many Reprint Reviews, those basic lands deserve special mention for being absolutely stunning
Rooms were designed in such a way that you can use either half without wasting the other, so feel free to run out the Sauna on turn 5 and snipe something down with the Furnace later, or vice versa
If a permanent ever has both +1/+1 counters and -1/-1 counters on it at the same time, they're removed in pairs as a state-based action so that the permanent has only one of those kinds of counters on it