Door of Destinies Complexities

[Agrus Kos, Enforcer of Truth]

I knew you would look here...no one can resist rhymes!!!

Now to the question. {Door of Destinies} says that "When Door of Destinies comes into play, choose a creature type" "Whenever you play a spell of that type, put a charge counter on Door of Destinies", would tribal spells like {All is Dust} activate the charge counter ability and would other spells that make creatures of the type activate it? (e.g. if I choose Slivers would {Hive Stirrings} put a counter on it?)

[Mlerner12]

I believe. So, because it is "choose a creature type" and "spell of the chosen type". The cast spell does not have a creature. Hive Stirrings will not, because it is just a sorcery, not a Sliver sorcery. I cannot find an official rule to cite this.

[Agrus Kos, Enforcer of Truth]

Seems legit. That's what I thought but wanted to make sure so some jerk at FNM doesn't yell at me.

[The1337Magician]

Things that would activate it would be any creature of said type or any tribal spell of that type.
Say I choose Eldrazi. {Emrakul, the Aeons Torn}, {All Is Dust}, {Eldrazi Conscription}, {Not of This World} and  {Broodwarden} would all activate the Door.

[EvACiDe]

Not to be a stickler, but this is to prevent confusion. Technically all those would trigger the door, not activate it as for its a triggered ability.

[Double-O-Scotch]

+1 for stickler clarification.

[EvACiDe]

+1 for stickler clarification.

Just wanted to make it for cards such as {strionic resonator} which sounds like a fun idea.