On its own, it deals 80+ points of damage when using its KO Crab attack, which costs two Water Energy and a single Colorless
While this card is face up on the field, any card sent from the field to the graveyard is banished instead
It also draws you cards, which makes it easier to consistently play humans to trigger owyns ability
Archival-Safe Card Sleeves, No Yellowing or Chemical Breakdown: PVC breaks down over time, releasing gases that yellow traditional plastic sleeves and degrade the cards inside
Though the Gods can easily protect themselves from being destroyed, they are very vulnerable to Macro Cosmos Decks because they can only bring themselves back through being sent to the Graveyard, however, with the september 2013 list limiting "Macro Cosmos" and "Dimensional Fissure", Macro Decks won't be as much of a threat anymore
When Oloro is in play, you can also pay one mana to make your opponents lose a life, and you draw a card