Originally Posted by
Koby
Yes, naturally. Thalia is already bad against creature decks, where PFires shines. The reverse is also true with Thalia vs unfair decks, where PFires is just a shock. How many turns does it take in Game 1 to figure out what you're up against? In either situation, you can always chump block with Thalia to get rid of her and start PFiring away.
Granted, it's hard to fit in 4 Thalia with more spells in the deck, so cut that down to 3. Then, run the 4th in the board for when you do need it.