Fix Brine Comber not triggering out of disturb auras

[Susucre]

Brine Comber's trigger was not looking at right characteristics, which made it not work with disturb auras.

[github-actions]

Brine Comber // Brinebound Gift - (Gatherer) (Scryfall) (EDHREC)

{1}{W}{U}
Creature — Spirit
1/1
Whenever Brine Comber enters the battlefield or becomes the target of an Aura spell, create a 1/1 white Spirit creature token with flying.
Disturb {W}{U} (You may cast this card from your graveyard transformed for its disturb cost.)
🔄
Enchantment — Aura
Enchant creature
Whenever Brinebound Gift enters the battlefield or enchanted creature becomes the target of an Aura spell, create a 1/1 white Spirit creature token with flying.
If Brinebound Gift would be put into a graveyard from anywhere, exile it instead.

[xenohedron]

not relevant to this PR, but it's interesting that bestow is not capitalized and Disturb is