MP21-EN249 * Dark Beckoning Beast * Ultra Rare * 2021 Tin of Ancient Battles ALIN-EN088 You can only use this

You can only use this effect of ""Mental Tuner"" once per turn

You can only use 1 "Tempest

but it cannot attack directly

your monster gains ATK/DEF equal to your opponent's monster's ATK or DEF (whichever is higher)

When this card is destroyed by battle and sent to the Graveyard: You can Special Summon 1 "Fire King" monster from your Deck

MP21-EN249 * Dark Beckoning Beast * Ultra Rare * 2021 Tin of Ancient Battles ALIN-EN088 You can only use thisWhen this card is Normal Summoned: You can add 1 "Uria, Lord of Searing Flames", "Hamon, Lord of Striking Thunder", or "Raviel, Lord of Phantasms", OR 1 card that specifically lists any of those cards in its text, from your Deck to your hand, except