Realmbreaker, the Invasion Tree, and Arcane Adaptation

Prerequisites

• Realmbreaker, the Invasion Tree on the battlefield
• Arcane Adaptation on the battlefield
• "Praetor" chosen with Arcane Adaptation
• available

Steps

1. Activate Realmbreaker's second ability by paying , tapping and sacrificing it, causing you to search for all creatures in your library, as they are all Praetors due to Arcane Adaptation, and put them onto the battlefield

Results

• Put all creature cards from your library onto the battlefield