Casani the Unknown

{t}: Put one spark counter on Casani the
Unknown
{t}, Remove 5 sparks counters: Exile Casani the
Unknown then return it to the battlefield transformed into Casani the Noble, then Casani
the Noble gains loyalty equal to Casani the
Unknown's spark counters when it was exiled (Removed spark counters do not count)
{t}, Sacrifice Casani the Unknown: Retrieve
Casani, Retired from exile