The reason for this is mainly that since the printing of Ragavan, Nimble Pilferer, Dragons Rage Channeler and Murktide Regent the tempo archetype reinvented itself in being primarily blue-red and making Deaths Shadow not a necessary creature for tempo shells anymore
The cards art shows Zapdos, Articuno, and Moltres flying together among the clouds, though the Electric Legendary is in the spotlight among its peers
And once you have enough cards of your own, you can start building customized decks to use against other players in the games online mode
Every upkeep, you can bring Aang out of his transformed state, too, netting you four +1/+1 counters, four life, four cards and four damage to each opponent
Even with these potentially great uses (Kong, Palace Guard, Rampaging Wurm, Frost Giant being some others), I still dont value it higher than Always Acceptable generally
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