Though there are more types of double faced cards and other rules mostly to do with various other keywords and the way they can affect the handling of double faced cards the above will cover you for learning how to incorporate cards in your deck, along with the basics of how they work
This raises a pair of conflicting questions
Greet the Dog Yoshimaru, Ever Faithful as "Dogmeat, Constant Companion" Arcane Signet Lightning Greaves Patchwork Banner Sol Ring Arcane Signet and Sol Ring are must-have staples in Commander for generating mana, so you probably already have some versions of those
This is due to rule 400.7f which states that if an effect grants a nonland card an ability allowing to cast that card, that ability continues to apply to the new object that card becomes in the stack as it is being cast that way
You dont need anything else to play with friends or family, but each player needs their own deck
If youre looking to build a deck about combat tricks, I struggle to come up with a reason to play Brigone over Feather, the Redeemed