One camp is firmly in the "this is fake" corner, pointing to missing copyright info, absent set stamps, border coloring that doesn't match the rest of the set, and print quality that looks off
While he does leave a way out for opponents not to lose life, in truth, your instants and sorceries should be the things keeping creatures off the board to remove the illusion of choice
Its a personal favorite thats basically never bad, and its sometimes absolutely game-warping
There are tons of great poison cards printed over the years, many of which skip over damaging your opponents completely
It's also a great way to understand the cards, the mechanics and how they all flow together - reading the card does explain the card, but a deck won't function if the cards don't work together like clockwork
Brain Freeze Commonly seen alongside Lion's Eye Diamond and Underworld Breach for an instant win, Brain Freezes utility extends much further