Thestalos the Firestorm Monarch (DR3-EN081) - Dark Revelation Volume 3 Unlimited Condition:Moderatly Played If the discarded card was

If the discarded card was a Monster Card

Card TextWhen this card is Normal or Special Summoned: You can target up to 2 cards on the field

the player who activated this card takes damage equal to the original ATK of the Special Summoned monster

During your Standby Phase

after damage calculation

Thestalos the Firestorm Monarch (DR3-EN081) - Dark Revelation Volume 3 Unlimited Condition:Moderatly Played If the discarded card wasTypePyro Effect Monster AttributeFire Level Rank6 ATK DEF2400 1000 Card TextWhen this card is Tribute Summoned, randomly discard 1 card from your opponent's hand to the Graveyard. If the discarded card was a Monster Card, inflict damage to your opponent equal to the Level of the monster x 100.