How does the game mechanic "all lands are creatures" in Magic: The Gathering impact gameplay strategies and card interactions?

The game mechanic "all lands are creatures" in Magic: The Gathering changes gameplay by allowing lands to attack and block like creatures. This can affect strategies by providing additional attackers and blockers, as well as enabling new card interactions that involve creatures and lands. Players must adapt their tactics to account for the dual role of lands in combat and consider the potential risks and benefits of using them as creatures.