The cost of play is 1 low and there is no experience pressure with a 0 level card
Chaos Core X DARK Level 3 [ Fiend / Effect ] ATK 0 DEF 0 When either player activates a card or effect that targets this card, or when your opponent's monster targets it for an attack (Quick Effect): You can send up to 1 each of "Uria, Lord of Searing Flames", "Hamon, Lord of Striking Thunder", and "Raviel, Lord of Phantasms" from your hand and/or Deck to the GY, and if you do, place 1 Phantasm Counter on this card for each card sent to the GY, and if you place at least 1, you take no battle damage this turn
"Pokemon: Every Team Red Has Had In The Games, Ranked"
It seems as if this notalgic pattern will remain part of the TCG forever, and that makes sense it's classic.
These commanders give you more flexibility during a game and often let you switch strategies mid-match