If you manage to fill up your graveyard with goodies, or drop a simple Buried Alive or similar card, you can cast it from your graveyard while also getting to do the same to the little Knights out there that also want a turn leaving the dark and crowded graveyard for a open and free-range Knightfield of Face-Smashing good times
Even for local events, you probably wont need them
There are a ton of exciting cards available in Duskmourn: House of Horror for all kinds of Magic players
It plays lots of creatures, as seen on Altar Ibn-La'Ahad, sacrifices permanents for value as with Caesar, Legion's Emperor, and wants to run the board in combat with cards like Isshin, Two Heavens as One, Brutal Hordechief, and Zurgo Helmsmasher
Card Sleeves: Disney Lorcana- Fabled- Mulan (65ct)
The mat creates an extra protective layer between the surface you are playing on and the cards