Thestalos the Shadowfire Monarch (DUNE-EN023) [Duelist Nexus]

You can Tribute Summon this card by Tributing 1 monster your opponent controls and 1 Tribute Summoned monster you control. If this card is Tribute Summoned: You can banish 1 random card from your opponent's hand, and if you do, inflict 1000 damage to your opponent, then, if this card was Tribute Summoned by Tributing a Level 8 or higher Tribute Summoned monster, you can apply this effect.
<br>• Banish 1 card on the field, and if it was a FIRE or DARK Monster Card, inflict damage to your opponent equal to its original Level x 200.