If an effect instructs you to draw multiple cards, the ability triggers after you draw whichever is the second one for the turn
It is also fairly hard to use it well, inexperienced people will end up with a handful of forests far too quickly
When Jesse Anderson reappears after he was possessed by Yubel, he uses them in a Deck based around quickly Summoning the Sacred Beasts and "Armityle" for his Duel against Adrian Gecko
This makes Pokmon TCG Pocket a pay-to-win game, which, when you add the element of PvP battles with in-game rewards, makes it no better than Diablo Immortal or other predatory mobile games
It is not ideal to have an empty hand count, we all know that, but 80 extra damage is just a crazy number, crazy enough that you will still just find your way to make this card work