Lightning Greaves [Friday Night Magic 2009] Spirit Warriors your opponent cannot Special Summon

your opponent cannot Special Summon monsters

that monster gains 500 ATK and DEF

Set: Magician's Force Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 1700 Increase the ATK of this monster by 300 points for each Dark Magician or Magician of Black Chaos in either player''s Graveyard

I think 'toast' is an appropriate description

Lightning Greaves [Friday Night Magic 2009] Spirit Warriors your opponent cannot Special SummonSet: Friday Night Magic 2009 Type: Artifact Equipment Rarity: Rare Cost: {2} Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0} After lightning struck the cliffs, the ore became iron, the iron became steel, and the steel became greaves. The lightning never left.