Oz'hamun, Soul Watcher

Flying, Deathtouch
At the beginning of each opponents upkeep that
player chooses draw step, main phase, or combat
phase. That player immediately goes to that step
or phase and at the end of that step or phase, ends
their turn.
{3}{u}{u}, {t}, Sacrifice Oz'hamun, Soul Watcher:
Take an extra turn after this one.