While they might not be worth much financially, bulk cards are still useful for new players, young collectors, and people building their first decks
All the Zekroms are in the Black Bolt set and the Reshirams can be found in White Flare
was released as a free card to all players, significantly boosting the Deck's power even further
Even if he draws another card, Pegasus will read his mind and know what it is
You can really maximize this elder demons potential with cards like Sulfuric Vortex, Hissing Iguanar, or Thermo-Alchemist, which cause life loss consistently outside of combat
Its nice that this card is strong in 1v1 as a damage dealer, and in EDH, the discard and draw effect scales according to the number of players to compensate for the fact that a 5/5 with flying and haste is just alright in the format