Thestalos the Mega Monarch

Level 8 FIRE/Pyro Effect
2800 ATK / 1000 DEF

You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. If this card is Tribute Summoned: Look at your opponent's hand and discard 1 card from their hand, then, if it was a Monster Card, inflict damage to your opponent equal to its original Level x 200. If this card was Tribute Summoned by Tributing a FIRE monster, add this additional effect.
● Also, inflict 1000 damage to your opponent after that.

Rulings – Yugipedia

Printings:

Primal Origin: PRIO-EN035 (Secret Rare) - 2014-05-16
2015 Mega-Tin Mega Pack: MP15-EN021 (Secret Rare) - 2015-09-17
Ghosts From the Past: GFTP-EN082 (Ultra Rare) - 2021-04-15
OTS Tournament Pack 28: OP28-EN015 (Common) - 2025-06-18

Prices:

Cardmarket: 0.17 €
TCGplayer: $ 0.14