The best creature type is hard to define, but some metrics can be used to narrow it down: If youre looking for creature types that make good creature-focused (i.e., typal) decks then you probably want goblins, humans, or elves
(2019-08-23) If the copied creature is a token, the token that's created copies the original characteristics of that token as stated by the effect that created the token
In the Pokmon Trading Card Game , each type focuses on a distinct playstyle, and achieving this playstyle is necessary for these decks to thrive
But as long as demand exceeds supply, values can grow
To be honest, I actually want a bulk of the deck to be Cycling creatures in order to increase the consistency of the deck and because with Land-cycling you can run fewer lands and increase your threat-density