Phoenix on the Sword

At the beginning of your end step, if you control
no legendary creatures, return target legendary
creature card from your graveyard to the
battlefield.
At the beginning of your end step, if you control
a legendary creature, put a loyalty counter on
Phoenix on the Sword.
At the beginning of your upkeep, if Phoenix
on the Sword has three or more loyalty counters
on it, transform Phoenix on the Sword.