Adds Pledge Side Statuses as Starting Statuses

[AlexOn1ine]

Adds new statuses and refactors the code slightly to make it easier to add new statuses.

[hedara90]

Currently the side which the Pledge effects is wrong compared to what the message says.
It says that the player's side is enveloped in a Sea of Fire, but the animation plays for the opponent side and the opponent takes damage.