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Slifer the Sky Dragon, Obelisk the Tormentor and The Winged Dragon of Ra were so powerful that their use could injure or kill duelists involved in battles involving the cards

After that, your opponent special summons any monster from their deck

(Armors count as evolving) No Discard - You didn't manually discard your hand

You can stack an opponents card for prefect knowledge of their next turn to assure you win the duel

Thankfully The Legendary Exodia Incarnate released a few years later, fixes this issue

Dinoruffia has recently been announced by Konami, and it's challenging a philosophy that duelists have been reiterating