Block Dragon [MP17-EN085] Ultra Rare Machine If this card is Normal

If this card is Normal or Special Summoned: You can target 1 "Hydrogeddon"

change all face-up monsters on the field to Defense Position

destroy all monsters your opponent controls

Once per turn: You can target 1 monster your opponent controls

Block Dragon [MP17-EN085] Ultra Rare Machine If this card is NormalSet: 2017 Mega Tins Mega Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 3000 Cannot be Normal Summoned Set. Must be Special Summoned (from your hand or Graveyard) by banishing 3 EARTH monsters from your hand and or Graveyard, and cannot be Special Summoned by other ways. Rock Type monsters you control cannot be destroyed, except by battle. If this card is sent from the field to the Graveyard: You can add up to 3 Rock Type