Thestalos the Firestorm Monarch (Purple) [DL12-EN007] Rare 037 Set: Mattel Action Figure Promos:

Set: Mattel Action Figure Promos: Series 3 Card type: Fusion/Effect Monster Rarity: Parallel Rare Attack: 2100 Defense: 1200 "Elemental HERO Avian" + "Elemental HERO Burstinatrix"

and Special Summon it

Set: EX: Ruby & Sapphire Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

You can remove from play this card in your Graveyard to Special Summon 1 Fiend-Type monster with

Thestalos the Firestorm Monarch (Purple) [DL12-EN007] Rare 037 Set: Mattel Action Figure Promos:Set: Duelist League Promo Card type: Pyro Effect Monster Rarity: Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned, discard 1 random card from your opponent's hand. If it was a Monster Card, inflict damage to your opponent equal to its Level x 100.