Siyver, The Returning

At the beginning of your upkeep, return Siyver,
The Returning from your graveyard to the battlefield under your control.
Equip abilities that target Siyver, The Returning
cost {2} less to activate.
Whenever Siyver, The Returning is regenerated,
unequip each equipment attached to Siyver,
The Returning and transform Siyver, The
Returning.