Tri-Blaze Accelerator (SGX1-ENH15) [Speed Duel GX: Duel Academy Box]

Activate only by sending 1 face-up "Blaze Accelerator" you control to the GY. During your Main Phase: You can target 1 monster your opponent controls; send 1 Pyro monster from your hand to the GY and if you do, destroy that target, and if you do that, inflict 500 damage to your opponent. Your monsters cannot attack the turn you activate this effect.