I dont know how you guys can like the artwork on these rotoms, it makes me want to throw up.
Anyway 90 hp is very good for a basic, the retreat cost is a little high but it shouldnt hurt too bad.
Not many pokemon are weak to grass right now, so the pokepower is not great.
First attack, nothing
Second attack, 3 energies for 50 damage, not that good, but if you flip heads you get to discard an energy from each of your opponents pokemon. While this is not enough to save this card, this could be really good. If you get it two times in a row and your opponent has a lot of guys warming up in the bull pen, it could set him back a couple turns. But the downside is that you gotta flip and if the opponent is not warming up a bunch of pokemon and has all the energies he needs on the active one, he can just attach another energy to him next turn. With everyone running 4 roseannes now, its not hard ot find energies.
So the second attack makes this card decent, but still 3 energies for 50 damage is not worth it, and I dont build decks on coin flips. 5/10