Mid Shield Gardna [TLM-EN024] Ultimate Rare ST-7 destroy all face-up monsters your

destroy all face-up monsters your opponent controls

except "Shiranui Solitaire"

The equipped monster cannot attack directly

your opponent takes no battle damage for the rest of this turn

or you're just starting to build your Extra Deck with cards from Duel Devastator

Mid Shield Gardna [TLM-EN024] Ultimate Rare ST-7 destroy all face-up monsters yourSet: The Lost Millennium Card type: Effect Monster Rarity: Ultimate Rare Attack: 100 Defense: 1800 You can flip this card into face down Defense Position once per turn during your Main Phase. Negate the activation of a Spell Card that targets this 1 face down monster. At that time, flip this card into face up Defense Position.