Blue-Eyes White Dragon - A powerful monster with 3000 ATK and 2500 DEF, Blue-Eyes White Dragon is one of the most iconic cards in the game. It can be Special Summoned from the Graveyard by discarding two cards, and it can destroy any monster on the field.
Dark Magician - Another iconic card, Dark Magician is a 2500 ATK and 2100 DEF monster that can be Special Summoned from the hand by discarding one Spell Card. It can also destroy any Spell or Trap Card on the field.
Red-Eyes Black Dragon - A powerful 2400 ATK and 2000 DEF monster, Red-Eyes Black Dragon can be Special Summoned from the Graveyard by discarding one card. It can also destroy any monster on the field that has less ATK than it.
Exodia, the Forbidden One - A powerful monster with 10,000 ATK and 10,000 DEF, Exodia is the ultimate boss monster. It can only be Summoned by collecting all five of its component pieces, but it is an instant win if it is Summoned.
These are just a few of the many great yu-Gi-Oh cards that are available. There are many other powerful and interesting cards to choose from, so be sure to experiment and find the cards that work best for you.