If your opponent has 3 or less Prize cards left, each of Charizard's attacks does 50 more damage to the Active Pokémon (before applying Weakness and Resistance).

Blast Burn

120

Flip a coin. If heads, discard 2 Energy cards attached to Charizard. If tails, discard 4 Energy cards attached to Charizard. (If you can't, this attack does nothing.)