Rotjaw, Maw of the Tides

Rotjaw enters the battlefield tapped with four
stun counters on it.
When Rotjaw enters the battlefield, create three
Trace tokens with "{1}{t}: Remove a stun counter
from Rotjaw, Maw of the Tides."
Deathtouch, Swampwalk
Whenever a Human dealt damage to by Rotjaw
dies this turn, exile that creature.
When Rotjaw dies, target opponent
gains the monarch.