I'll look up the performance of Flashfires in Modern over the last 30 days.
Now let me check how this card has been used in Modern tournaments over the last 30 days:
Flashfires has seen very limited play in Modern over the last 30 days, appearing in only 23 sideboards total across 6 different archetypes.
Most Popular Home: Affinity
Other Archetypes:
Flashfires is a niche sideboard card primarily used by Affinity as targeted hate against Plains-heavy decks (likely targeting Jeskai Control, Azorius Control, and similar white-based strategies). The 50% winrate suggests it's performing neutrally in the current meta, neither overperforming nor underperforming significantly.
Sources: Data from 85 Modern tournaments (51.8% Melee, 48.2% MTGO). Recent events: Modern Challenge 32, Modern Showcase Challenge