Korone, Endurance Streamer

Outlast {g/w} ({g/w}, {t}: Put a +1/+1 counter on this
creature. Outlast only as a sorcery.)
Persist (When this creature dies, if it had no -1/-1
counters on it, return it to the battlefield under its
owner's control with a -1/-1 counter on it.)

"I can't understand why playing a game for 24 hours
is bad. Am I wrong...?"