There is no need to fear any 200+ HP cards the game only includes Pokmon from the first generation, and some Stage 2 Pokmon are lucky to even have 120 HP
Bear in mind, some cards give your opponent life points
Ashiok's Forerunner Azula, Cunning Usurper Callidus Assassin Cunning Nightbonder Ertai Resurrected Ghost, Spectral Saboteur Lochmere Serpent Mischievous Sneakling Notion Thief Nymris, Oona's Trickster Obyra, Dreaming Duelist Slitherwisp Soaring Thought-Thief Torpor Dust Ulamog's Nullifier Waterlogged Teachings Weeping Angel Whisper Agent Wydwen, the Biting Gale Zareth San, the Trickster
Ishihara received in 2008, Ishiharas Secret Hand
At any other time, you may have any number of cards in hand
Negates only once, but can destroy once per turn and switch out for a Level 9 or lower Monster from the GY during the Standby Phase