Doomcaliber Knight [TU01-EN001] Ultra Rare 038 [Your Turn][Once Per Turn] When

[Your Turn][Once Per Turn] When you play a blue Tamer

•Effect Damage: Inflict damage to your opponent equal to the amount of damage you took

Set: Sun & Moon: Black Star Promos Type: Water Rarity: Promo Retreat cost: Colorless

[Your Turn][Once Per Turn] When you use an Option card， gain 2 memory

You can't cast Bad Knight if you're on the Mirran team

Doomcaliber Knight [TU01-EN001] Ultra Rare 038 [Your Turn][Once Per Turn] WhenSet: Turbo Pack Booster One Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1800 This card cannot be Special Summoned. When an Effect Monster's effect is activated, you must Tribute this card. Negate that effect's activation and destroy the monster.