Trap Stun [AP02-EN013] Super Rare Mechanologist when a monster effect is

when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card

When this card is Normal or Special Summoned: You can add 1 "Speedroid" monster from your Deck to your hand

when a monster effect is activated that targets exactly 1 Level 5 or higher monster on the field (and no other cards): You can negate the activation

or with a Spell/Trap effect that could have targeted this card (except during the Damage Step): You can detach 1 Xyz Material from this card

then target 1 "Red Dragon Archfiend" monster in your Graveyard

Trap Stun [AP02-EN013] Super Rare Mechanologist when a monster effect isSet: Astral Pack 2 Card type: Normal Trap Rarity: Super Rare Negate all other Trap Card effects on the field this turn.