hi scott
i have this problem getting in the way during the game
im not sure about it
anyways its about magmar's smokescreen
 
if i smoke screen during my turn and then in my opponent's turn he uses ninetail's FIRE BLAST
but b4 that he has to filp a coin
well if he gets a heads the attack works normal
but if he gets a TAILS and it fails must he still discard  a fire energy for FIREBLAST?
plzz answer this
thanks...

 

Flipping a tails on Smokescreen will cancel all effects of attacks, but Fireblast's attack has a cost of discarding an energy when played.  So, before you even flip to see if Smokescreen works, you have to discard the energy.

Scott