(Presume Andy just drew and played a land, which Buzz already knew was there thanks to a previous effect.) How, if at all, should Andy attack here
It doesn't matter what happened to the spells you cast
Impact Tremors or similar will trigger when the creature enters (maybe with counters from Gev) and then resolve too late
Mistcutter Hydra Just like Bristling Hydra, Mistcutter is mainly here due to its Standard pedigree, where it was a huge force to be reckoned with due to several Blue control decks in the format, as well as Mono-Blue Devotion being the number one deck in the format
But competition sneaks in through the margins, and PSA is absolutely leaving some crackslack of grading transparency, gaps in submission values, slow turnaround times, etcthat give the competition a way to get their foot in the door