Thestalos the Firestorm Monarch (UTR) (RDS-EN021) - Rise of Destiny 1st Edition Condition:Lightly Played gain 500 Life Points immediately

gain 500 Life Points immediately after it resolves

both players reveal their Main Decks

You can only use each of these effects of "Yazi

Pay 1000 of your Life Points to send all cards in both players'' hands and on the field to the Graveyard

Thestalos the Firestorm Monarch (UTR) (RDS-EN021) - Rise of Destiny 1st Edition Condition:Lightly Played gain 500 Life Points immediatelyTypePyro Effect Monster AttributeFIRE Level Rank6 ATK DEF2400 1000 Card TextWhen this card is Tribute Summoned successfully, 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's Life Points equal to the Level of the monster x 100 points.