(I think if you do this with a double-striking Felix Five-Boots, the table will scoop before you can finish figuring out all of the triggers.) So between the cool triggers your Equipment can grant, the artifact synergies, and the innate beefiness provided, theres something for everyone
You are simply placing a character at the location to signify they are there but it only has benefit if the cards themselves give you a benefit
The best way to do so is to pick up one of the Lorcana Starter Decks, which includes exactly the right number of cards, and each of those cards only belongs to either of two of the ink colours
The last thing you want is your Savannah thats enchanted with Wild Growth to be destroyed
Angel of Despair / Ashen Rider Removal on a stick is just as useful as removal generally
The battle's protector doesn't control it, but they can block creatures that are attacking the battle just like they can block attacks on planeswalkers they control