Yes, it also treats the Tamer as a Digimon when it digivolves. It treats it as a Digimon that digivolves, therefore "when a Digimon would digivolve" effects and "when a Digimon digivolves" effects will trigger. In addition, if a "Digimon can't digivolve" effect activates, digivolution won't be possible using this effect that also treats the Tamer as a Digimon.

Yes, you perform a digivolution bonus draw. A digivolution bonus draw is performed for any kind of digivolution.

Yes, it is.If the Digimon leaves the field, that Tamer is trashed like normal digivolution cards.

No, it does not.

Yes, it does.