The Phantom Knights of Break Sword (Quarter Century Secret Rare) [RA02-EN035] Quarter Century Secret Rare Spellcaster You can only use this

You can only use this effect of "Rescue Cat" once per turn

Virtually invincible

[End of Your Turn] If you have 10 DON

except "Evil Hero Sinister Necrom"

The Phantom Knights of Break Sword (Quarter Century Secret Rare) [RA02-EN035] Quarter Century Secret Rare Spellcaster You can only use thisSet: Rarity Collection II (25th Anniversary Edition) Card type: Xyz Effect Monster Rarity: Quarter Century Secret Rare Attack: 2000 Defense: 1000 2 Level 3 monsters Once per turn: You can detach 1 material from this card, then target 1 card you control and 1 card your opponent controls; destroy them. If this Xyz Summoned card is destroyed: You can target 2 "The Phantom Knights" monsters with the same Level in your GY; Special Summon them and increase