Evilswarm Ketos [HA07-EN013] Super Rare BT5-036 You can only use this

You can only use this effect of "Pyrorex the Elemental Lord" once per turn

When "Herald of Perfection" is Ritual Summoned by this card's effect: You can banish this card from your Graveyard to target 1 of the monsters in your Graveyard that was Tributed for that Ritual Summon

This face-up card on the field cannot be Tributed

and business is booming

Set: Battle of Omni Card type: Digi-Egg Rarity: Uncommon Digi type: Lesser Form: In-Training [Your Turn] [Once Per Turn] When one of your other Digimon is deleted

Evilswarm Ketos [HA07-EN013] Super Rare BT5-036 You can only use thisSet: Hidden Arsenal 7: Knight of Stars Card type: Effect Monster Rarity: Super Rare Attack: 1750 Defense: 1050 You can Tribute this card to target 1 Spell Trap Card your opponent controls; destroy that target.