Blade Knight [CT1-EN002] Secret Rare Normal Trap when a monster effect is

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 when a Spell/Trap Card that is already face-up on the field activates its effect: You can send this card from your hand or your side of the field to the Graveyard

While this card is face-up on the field

Once per turn: You can return 1 monster you control to the hand

when a Spell/Trap Card is activated: You can negate the activation

Blade Knight [CT1-EN002] Secret Rare Normal Trap when a monster effect isSet: 2004 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 1600 Defense: 1000 If you have 1 or less cards in your hand, the ATK of this card on the field is increased by 400 points. Also, if this card is the only monster on your side of the field, negate the effects of Flip Effect Monsters destroyed by this card as a result of battle.