Jiraiya, the Toad

When Jiraiya, the Toad enters the battlefield put 2 1/1 Toad tokens onto the battlefield under your control
Whenever Jiraiya, the Toad attacks alone put 2 1/1 Toad tokens onto the battlefield under your control
Sacrifice 10 Toad tokens: create a 10/10 legendary creature token named GamaBunta with indestructible onto the battlefield