You can Scapeshift, throw your lands into your graveyard, generate many landfall triggers, and get them back via other card effects
We're usually placing OP07-104-nico-robin in our Life area later on in the game to activate her Trigger effect
Similarly to the mechanic, target creature doesnt untap during its controllers next untap step, Stun Counters keep a creature out of the action for an extended period
But the real interesting bit of Background isnt the Background cards themselves, but the other cards that reference them
Crovax, deckhand and soldier who eventually betrayed them and became Evincar of Rath
Pairing this with Thrumming Stone in Commander might seem like the obvious thing to do, but the fact that this exists as an option shows just how popular red is to EDH players