Rod of Chronology

Whenever you cast or copy an instant or sorcery spell, put a charge counter on Rod of Chronology.
Remove seven charge counters from Rod of Chronology: Take an extra turn after this one. Activate this ability only any time you could cast a sorcery.
"Brilliant. Put it on the Weatherlight II. And someone get this woman a Kos spouse!"
-Olrik Kos