Activate Ashnod's Altar by sacrificing Hornet Queen, adding CC.
When Hornet Queen dies, Nim Deathmantle triggers, causing you to pay 4 to return Hornet Queen from your graveyard to the battlefield and attach Nim Deathmantle to it.
When Hornet Queen enters, it triggers, creating four creature tokens.
Activate Ashnod's Altar by sacrificing a creature token, adding CC.