It's one of those cards that feel unfair to play with against your opponents, like some famous Yu Gi Oh
Throw in cozy Eevee vibes and a surprisingly playable Ursaluna, and youve got a set with serious depth and range from these singles
Essentially, Mega Vensaur EX deals an effective damage of 130, and if youre quirky enough to add two Nihilego on the Bench, it also adds an additional 20 damage to the opponents HP, the net damage is 120 + 10 + 20 + 150 DMG
(You can't evolve this Pokmon on your first turn or on the turn it was put into play) FWL - Quartz Shine 200 Larry's Professionalism (Supporter) Discard your hand, then search your deck for 1 Pokemon, 1 Supporter, and 1 Basic Energy, reveal them, and put them into your hand
And trust me when I say this the decks that want it really want it
It also inflicts the Burn status, effectively reducing another 20 HP, resulting in a net damage of 140