Activate Krark-Clan Ironworks by sacrificing Sword of the Meek, adding ({C} magic symbol) ({C} magic symbol) .
Activate Sliver Queen by paying ({2} magic symbol) , creating a 1/1 Sliver creature token.
The Sliver token enters the battlefield, triggering Sword of the Meek, returning Sword of the Meek from your graveyard to the battlefield and attaching itself to the Sliver token.