Gagaga Cowboy [PGL3-EN067] Gold Rare Beast you can activate the effect

you can activate the effect of that Spell in your Graveyard (even if you no longer control this face-up card)

add 1 "Mirror Force" from your Deck or GY to your hand

including a Ritual Monster While this card is in the Extra Monster Zone

You can only use this effect of “Crusadia Regulex” once per turn

Gagaga Cowboy [PGL3-EN067] Gold Rare Beast you can activate the effectSet: Premium Gold: Infinite Gold Card type: Xyz Effect Monster Rarity: Gold Rare Attack: 1500 Defense: 2400 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; apply this effect, depending on this card's current battle position. Attack Position: If this card attacks an opponent's monster this turn, it gains 1000 ATK, also the opponent's monster loses 500 ATK, during the Damage Step only. Defense Position: Inflict 800 damage