I'll make this simple:
Rules:
You must get all the wool in arena (Some being in the nether)

Last man standing does NOT Count

If only one is left then people can be released

Any amount can participate

you must have no items before start

(Optional!!) Late entrys can enter after start

Teams May form

you cannot break blocks

Host Rules:

to start, turn on the lever to activate the Piston making the waterelevator.

Additional Notes

Have Fun!!!