Curse of Opulence encourages your opponents to attack each other by rewarding them with Gold tokens whenever they attack the player with the Curse
Enchantment - Saga Energy (CTRL to add secondary) Land Path of Ancestry This land enters tapped
Bolt hasn't really ever dominated any format, but it's always been viable in any 60 card constructed format it's legal in
The reason why theyre so valuable though, is because theyre all artifacts, you can play a land and one of these Mox on your first turn, giving you access to at least two mana for free on your first turn
deck, as long as you abide by the overall rules for each decks maximum number of cards and any Unlimited, Limited or Forbidden restrictions, a decent rule of thumb for beginners building a Yu-Gi-Oh
That said, the card fits in Captain America, First Avenger Commander decks like a glove