It's figuratively what alola forms are.
>>31559814
Shiny pokemon = Delta species
>>31559822
But they also change the appearence
>>31559984
but they don't change the type
>>31559814
What the fuck is a delta species?
>>31560112
>But they also change the appearence
The game is already at a point where you can lose the match by prepping for the wrong set on a single mon. Do you really want to have a game where you have to guess the set AND the type?
>>31560861
TCG gimmick where pokemon would be a different type for no other reason than to shake things up.
>>31560938
Well, if they work exactly like in the tcg, the weaknesses would remain the same anyway.
>>31560112
TCG is already inconsistent with types, there are tons of pokemon who have two different legal typings.
Dragon type didn't even exist in TCG until gen 5.