Infernity Suppression [PHRA-EN075] Common

If you have no cards in your hand, you can activate this card the turn it was Set. When your opponent activates a monster effect while you control an "Infernity" monster: Negate the effect, then, you can inflict damage to your opponent equal to the activating monster's Level x 100. You can only activate 1 "Infernity Suppression" per turn.