Climb to the Top in 500 Steps

When a creature a player controls deals combat
damage to another player, if they don't already
have a safe counter, they get a safe counter.
Then, if only one person doesn't have a safe
counter, they exile a creature they control. Then,
each player loses all safe counters they control.
Exile Climb to the Top in 500 Steps.
No! It's not enough for me to just win! To avenge
Stapy, I also need to make sure that iance loses!