He also has the ability to suck up a monster on your opponents field, add it to your backrow, and then he gains half of the absorbed monsters attack points (a great counter to Sky Strikers, for example)
It has an omni-negate as protection/disruption, a bounce 1 when going second, 2 free cards for Gullveig to banish, and 4000 added damage to OTK an empty board with Odin, or Gullveig + Loki/Thor
Be sure to storm the Battles of Legend: Monstrous Revenge so you can start playing with this high-speed strategy
While Brionac, Dragon of the Ice Barrier would be banned in the TCG in its pre-errata form before this strategy was released, they can still access Synchros not many other strategies could like Gungnir, Dragon of the Ice Barrier, who offered card destruction while being able to trigger your effects, and Dewloren, Tiger King of the Ice Barrier to put Atlanteans back in the hand for discard fodder
WGR is a beefy wall that summons itself for free if you control a Brave Token OR control no monsters, both of which are easily doable
shuffle them into the Deck, then draw 1 card