Dark Grepher [TU03-EN001] Ultra Rare Super Rare You can only use each

You can only use each effect of "Duoterion" once per turn

Set: Hobby League 2 Card type: Effect Monster Rarity: Ultra Rare Attack: 900 Defense: 900 FLIP: Destroy all monsters on the field

Set: 2015 Mega-Tins Mega Pack Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 2600 1 Tuner + 1 or more non-Tuner Wyrm-Type monsters When this card is Synchro Summoned: You can target cards on the field

Flip Summoned or Special Summoned successfully

except "Satellarknight Unukalhai"

Dark Grepher [TU03-EN001] Ultra Rare Super Rare You can only use eachSet: Turbo Pack: Booster Three Card type: Effect Monster Rarity: Ultra Rare Attack: 1700 Defense: 1600 You can discard 1 Level 5 or higher DARK monster to Special Summon this card from your hand. Once per turn, you can discard 1 DARK monster to send 1 DARK monster from your Deck to your Graveyard.