Dark Ritual [From the Vault: Twenty] Magic 2011 Promos You can only use this

You can only use this effect of "Iron Knight" once per turn

Set: OTS Tournament Pack 8 Card type: Normal Monster Rarity: Super Rare Attack: 0 Defense: 0 This card can be used as a "Sky Striker Ace Token"

Set: The Dark Side of Dimensions Movie Pack: Special Edition Card type: Normal Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500

If this card that was Synchro Summoned using only Synchro Monsters attacks

change this face-up Defense Position card on the field to face-up Attack Position

Dark Ritual [From the Vault: Twenty] Magic 2011 Promos You can only use thisSet: From the Vault: Twenty Type: Instant Rarity: Mythic Cost: {B} Add {B}{B}{B}. "Leshrac, my liege, grant me the power I am due." Lim Dl, the Necromancer