Mishra's Factory (Winter) [Antiquities] Lightning[-20] when a Spell/Trap Card is

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

Increase your opponent''s Life Points by 1000 points during each of his/her Standby Phases

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep

Set: Ancient Prophecy Card type: Effect Monster Rarity: Secret Rare Attack: 1600 Defense: 500 When this card is Normal or Special Summoned: Place 1 Guard Counter on it

Set: World Championships 2005 Type: Fighting Rarity: Uncommon Retreat cost: Colorless

Mishra's Factory (Winter) [Antiquities] Lightning[-20] when a Spell/Trap Card isSet: Antiquities Type: Land Rarity: Rare {T}: Add {C}. {1}: Mishra's Factory becomes a 2 2 Assembly Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly Worker creature gets +1 +1 until end of turn.