Mono Red Rally goldfishes as early as turn three, so Weather the Storm's storm-triggered lifegain buys crucial extra turns against their alpha strike while Hydroblast can counter or destroy key red spells like Rally at the Hornburg or Galvanic Blast. Pillage picks off Great Furnace or an equipped Inventor's Axe to slow their mana or tempo. Cut the clunky Unfathomable Truths and Campfire, which are too slow against this fast combo-aggro clock, along with Lose Focus and Pulse of Murasa which are low-impact here. Prioritize using Counterspell and Skred on Burning-Tree Emissary or Clockwork Percussionist before they chain into a critical mass board state.