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 Night of Souls' Betrayal.
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.