![Thestalos the Firestorm Monarch [RDS-EN021] Ultimate Rare Dimension of Chaos You can send](https://cdn.shopify.com/s/files/1/0040/2017/4883/products/9216a26e-15fe-5fc8-a4ff-dcd2a100309a.png?v=1750785945)
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You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard
If this card attacks a face-down Defense position monster
Set: Black & White: Boundaries Crossed Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless
When this card is flipped face-up
Set: Legendary Collection Type: Water Rarity: Rare Retreat cost: Colorless
Thestalos the Firestorm Monarch [RDS-EN021] Ultimate Rare Dimension of Chaos You can send "Umi" youSet: Rise of Destiny Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1000 When 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.