Thestalos the Firestorm Monarch is a Super Rare Effect Monster card from Yu-Gi-Oh! (Dark Revelation Volume 3, DR3). Current market price: $0.65.
Super Rare
Dark Revelation Volume 3 (DR3)
Card Text
If this card is Tribute Summoned: Discard 1 random card from your opponent's hand, then, if it was a Monster Card, inflict damage to your opponent equal to its original Level x 100.
