Aside from increasing the rates for ex Pokemon, there are a lot of other solutions to this problem
while Lathril might opt for it, other decks prefer to make different kinds of tokens
Even if you can counter the trigger with Voidslime they get an Eldrazi, which no one wants
For a product that usually retails around $30-$40, that might seem like a tough sell
(6/6/2025) If the creature copied by the token had any "when [this permanent] enters" abilities, the token also has those abilities, and they'll trigger when it's created
Directions included a tokens based build with some fun synergies like Requiem Angel & Divine Visitation, to a pillowfort enchantments build with Luminarch Ascension, Blind Obedience and Authority of the Consuls