The Process Magic has had various sorts of drafting over the years (Rochester, Team Rochester, Solomon, Cube, etc.), but the most common by far is good old Booster Draft
They will not overwrite effects that modify power or toughness without setting it (whether from a static ability, counters, or a resolved spell or ability), nor will they overwrite effects that set power and toughness which come into existence after they resolve
A powerful suite of tools that turns overwhelming data streams into competitive advantage
Kaito, Dancing Shadow has an interesting ability to use two loyalty abilities in a single turn
There will always be some of that
But to be fair, doubling effects arent known for their subtlety or nuance