Realmbreaker and Maskwood Nexus on the battlefield.
({10} magic symbol) available.
Steps
Activate Realmbreaker's second ability by paying ({10} magic symbol) , tapping and sacrificing it, causing you to search for all creatures in your library, as they are all Praetors due to Maskwood Nexus, and put them onto the battlefield.
Results
Put all creature cards from your library onto the battlefield.