Incidentally, this card is actually pretty sweet for Enchantress decks, or decks like Dihada that want to reanimate Historic things anyways
Theres a catch: It must be the top card from your graveyard (yes, Mirage had nonsense restrictions like this)
That's good and a heavily used effect
Magic: The Gathering is home to all kinds of degenerate strategies and effects, from land destruction and counterspells to hyper-aggressive burn decks
Cartoony art style aside, Avatar already felt like a more suitable property for an adaptation than Star Trek or Spiderman, and if Wizards can make more cards like this, it's going to make the prospect of a bazillion more UB sets in the future a much less bitter pill to swallow
Force people to play with the Dark, FE and 4th/Revised by creating Type 2 (known today as Standard)