Thestalos the Firestorm Monarch is a Ultimate Rare Effect Monster card from Yu-Gi-Oh! (Rise of Destiny, RDS). Current market price: $0.65.
Ultimate Rare
Rise of Destiny (RDS)
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.
