Lord of D. [BPT-004] Secret Rare 11 if your other DARK Spellcaster

if your other DARK Spellcaster monster battles an opponent's monster (Quick Effect): You can send this card from your hand or face-up from your field to the GY

If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material

This card's name becomes "Aleister the Invoker" while on the field or in the GY

You can only use this effect of “Ride of the Valkyries” once per turn

Set: 2005 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 1700 Increase the ATK of this card by 300 for each "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

Lord of D. [BPT-004] Secret Rare 11 if your other DARK SpellcasterSet: 2002 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 1200 Defense: 1100 All Dragon Type monsters cannot be targeted by Spell Cards, Trap Cards, or other effects that specifically designate a target while this card is face up on the field.