You'll need the basic Pokmon in play before you can evolve it into Aerodactyl ex
Assuming it copied something with a mana cost, the token will still have that mana cost, so it can be cast as normal from wherever it is if you have permission to do so
One of them still occasionally sees competitive use today, as El Shaddoll Winda's ability to prevent the opponent from special summoning more than once in a turn is still incredibly useful in the modern era
It's still a great white card draw spell for lifegain decks, but the fact that you have to pay two mana to get the card does prevent it from going out of control
Granted, playing enchantments isnt as easy as making land drops, but the principle remains the same
A double activation with Yarok (who Ill discuss later) was awesome, and Ive dug myself out of many a losing situation with multiple bounces and trading the Dream Eaters 4 power for something scary