You arent closing fast enough to prevent Tron from just playing seven lands and a Karn Liberated, and with five basic Forest in their deck, Field of Ruin isnt turning into Strip Mine
Entropic Uprising was packed with some sweet alternative generals in Kydele, Chosen of Kruphix, Thrasios, Triton Hero, and Vial Smasher the Fierce
unfortunately thats not how it works
Put back cards they deliberately put into their graveyard to try and reanimate through any number of ways, or mess with their Bolass Citadel or top deck tutors by adding three brand new cards they definitely didnt want to see on top again
Admittedly, opponents will need a lot of Poison Counters to truly wipe their board, however, its still incredibly useful