Thestalos the Mega Monarch [GFTP-EN082] Ultra Rare SWSH078 Increase the ATK of this

Increase the ATK of this card by 300 points for each card in your Graveyard that includes 'Elemental Hero' in its card name

negate the activation and destroy it

this card gains 300 ATK until your opponent's next End Phase

Set: Black & White: Black Star Promos Type: Stadium Rarity: Black Star Promo

This effect continues until your 4th turn after the card is activated

Thestalos the Mega Monarch [GFTP-EN082] Ultra Rare SWSH078 Increase the ATK of thisSet: Ghosts from the Past Card type: Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 1000 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