Ship of Theseus

Enters the battlefield with 3 +1/+1 counters if
you do not control a Ship of Theseus.
When Ship of Theseus attacks create a storage
token if you don't control one and move 1 +1/+1
counter from Ship of Theseus to it.Then, if the
storage token has 3 +1/+1 counters on it, create
a copy of Ship of Theseus and move 3 +1/+1
counters from the storage token to the copy.
Crew 2