You're desperately seeking decisions that are not there.

Gaols, apart, and i credited the "where does the healer go" already.

You bait landslides by.... wait for it... stack > move > stack.

You don't have a bunch of freedom to decide tank swaps. Magic number > swap.

Split DPS on gaolers... wait what? I suppose you might end up with all melee, somehow, especially in PUG, but have you seen how fast they die to even one DPS?

Which bomb... > move > stack. . . the one you stack on.

Use tempered will if someone screws up and gets you targeted with an unavoidable landslide.