423,0,Forms only affect appearance. A form is determined before a wild encounter based on whether the battle is in western or eastern Sinnoh and cannot be changed.
479,0,"Forms have different signature moves, and the appliance forms' stats are different from the normal form's. When switching forms, the old signature move (if any) is removed and the new one must be learned, overwriting another move if need be, or the switch will be cancelled; however, it can be forgotten while in the new form. There are appliances for switching forms in a secret room in the [Team Galactic Eterna Building]{location} or the [Silph Co.]{location} Office Building; the room in the Galactic Building requires a [Secret Key]{item}, but the room in Silph Co. is freely accessible when walking with Rotom. Rotom can be returned to its normal form by checking the space its appliance occupied. It also reverts to its normal form upon entering the Wi-Fi Club or the Union Room."
487,0,"Forms have different stats. Giratina transforms into Origin Forme in the [Distortion World]{location} or while holding a [Griseous Orb]{item}. Otherwise, it assumes its Altered Forme. The Griseous Orb returns to the bag upon entering the Wi-Fi Club or the Union Room."
-492,0,"Forms have different stats and movepools. Shaymin transforms into Sky Forme upon using a [Gracidea]{item}. It reverts to Land Forme at night, when [frozen]{mechanic}, or upon entering the Wi-Fi Club or the Union Room, and stays in Land Forme until the Gracidea is used again. A Gracidea may be received by showing a woman in southwest [Floaroma Town]{location} or the [Goldenrod City]{location} flower shop a fateful encounter Shaymin."
+492,0,"Forms have different stats and movepools. Shaymin transforms into Sky Forme with the use of a [Gracidea]{item}. It is limited to Land Forme at night, when [frozen]{mechanic}, in the storage system boxes, in the Wi-Fi Club, and in the Union Room; under these conditions, Sky Shaymin reverts to Land Forme, and the Gracidea has no effect. The Gracidea must be used again to return to Sky Forme. A Gracidea may be received by showing a woman in southwest [Floaroma Town]{location} or the [Goldenrod City]{location} flower shop a Shaymin met in a fateful encounter."
493,0,"Form changes along with type to match a held Plate, due to [Multitype]{ability}."
+550,0,Not yet known
+555,0,Not yet known
+585,0,Not yet known
+586,0,Not yet known
+648,0,Not yet known
+649,0,Not yet known