Don't get me wrong, I see the appeal of being able to draw from your tokens in addition to your creatures, but that once a turn restriction is going to be a millstone around your neck more often than I think people give it credit for
So long as the revealed card has a mana value less than the spell you cast, you can cast it for free
This wont take out many VMAX Pokmon, who usually have over 300 HP, but it will likely deal with any other heavy-hitters in your opponents roster, including many Tag-Teams such as Celebi and Venusaur, or even Moltres and Zapdos and Articuno
By this, I mean that there is no requirement or cost to activate this effect
The archenemy still chooses which players they attack, and any of the heroes can block, but the entire team wins or loses together
Sylveon ex has the following abilities: Happy Ribbon: Once during your turn, when you play this Pokmon from your hand to evolve 1 of your Pokmon, you may draw 2 cards What attacks does Sylveon ex have