Ratadrabik of Urborg and Atsushi on the battlefield.
({2} magic symbol) ({U} magic symbol) available.
Steps
Cast Blade of Shared Souls by paying ({2} magic symbol) ({U} magic symbol) .
When Blade of Shared Souls enters the battlefield, it triggers, creating a 2/2 Rebel creature token, then attaching Blade of Shared Souls to it, and causing the Rebel creature token to become a copy of Atsushi.
Put the token Atsushi into your graveyard due to the legend rule.
When the token dies, it and Ratadrabik trigger.
Resolve the token trigger, creating three Treasure tokens.
Resolve the Ratadrabik trigger, creating a nonlegendary token copy of Atsushi that is a 2/2 Zombie.
Activate two Treasures by tapping and sacrificing them, adding ({2} magic symbol) .
Activate Blade of Shared Souls' equip ability by paying ({2} magic symbol) , attaching it to the Atsushi token and causing it to become a copy of Atsushi.