Cast Sword of the Meek by paying ({2} magic symbol) .
Sword of the Meek enters the battlefield, triggering Chishiro's first ability.
Holding priority, activate Krark-Clan Ironworks by sacrificing Sword of the Meek, causing target player to mill three cards.
Resolve the Chishiro trigger, creating a 2/2 Spirit creature token that enters as a 1/1 due to Kaervek.
The Spirit enters the battlefield, triggering Sword of the Meek, returning Sword of the Meek from your graveyard to the battlefield attached to the Spirit token.