mewtwo pokemon card 1995 10/102 Discard 1 Psychic Energy card in order to prevent all effects of attacks 1995 Pokémon TCG Mewtwo Ungraded

This card isn't exactly bad , but it's certainly the most narrow on the list

Sven Stolz Another card which I was surprised seeing in the top 5, Relic of Progenitus has been the go-to graveyard hate when it came to Modern for a long time

Big Boa Constrictor Caustic Bronco Crypt Cobra Desiccated Naga Enduring Tenacity Erebos's Emissary Fangkeeper's Familiar Gravebreaker Lamia Hagra Constrictor Hooded Blightfang Ikra Shidiqi, the Usurper Kadena, Slinking Sorcerer Orochi Soul-Reaver Persistent Constrictor Pharika's Chosen Python Rottenmouth Viper Rotting Fensnake Scathing Shadelock Serpent Assassin Serpent Warrior Sidisi, Brood Tyrant Sidisi, Regent of the Mire Sidisi, Undead Vizier Sivriss, Nightmare Speaker Skeletal Snake Soulcoil Viper South Wind Avatar Sultai Soothsayer The Serpent Society Thieving Amalgam Ukud Cobra Wall of Vipers Winding Constrictor Yuan-Ti Fang-Blade Zagoth Mamba Zodiac Snake Zombie Boa

A non-foil source material card appears in 1 of every 26 Play Boosters

Its quite ingenious really