So if you have fewer creatures than the support number, youd just place the +1/+1 counter on each creature you can
Archfiend Playtime X TRAP Special Summon 1 Level 7 or lower "Archfiend" monster from your hand or Deck, or if you have an "Archfiend" Ritual Monster in your face-up Extra Deck, you can Special Summon up to 1 each of "Royal Archfiend", "Duke Archfiend", and "Highness Archfiend" from your hand and/or Deck instead
Of course, what makes for the best MTG Modern Horizons 3 Commander deck will vary a little depending on your own personal playstyle and preferences, but hopefully, this will help put you on the right path to finding your favorite of the set
Also, even if they are self explanatory, how about we take a look at how common each type of these rarities are, as well as what their typical purpose is in the One Piece Card Game
Welcome to a deck profile for a deck I call stardust dragon