Unfortunately for your wallets, Ragavan is among the best red card advantage options in EDH
The ideia was the same of the movie Highlander, where you can only have one, that's why you can only have 1 card of each in your deck
To exploit this, flicker the defender creatures to draw large amounts of cards
Rise of the Dark Realms The finisher to end all finishers in 2014
Its also where I go to check actual card values instead of relying on whatever price Amazon randomly assigns
It doesn't copy whether that enchantment is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on