Doomcaliber Knight [TU01-EN001] Ultra Rare Super Rare You can only use each

You can only use each effect of "Arias the Labrynth Butler" once per turn

Set: Rarity Collection II (25th Anniversary Edition) Card type: Normal Spell Rarity: Quarter Century Secret Rare Send 1 monster from your Deck to the GY

you can substitute this card for any 1 "Synchron" Tuner monster

then take 700 damage

you can Special Summon this card (from your GY)

Doomcaliber Knight [TU01-EN001] Ultra Rare Super Rare You can only use eachSet: 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.