Tour Guide From the Underworld [CT09-EN013] Super Rare OTS Tournament Pack 8 while both a "Gravekeeper's" monster

while both a "Gravekeeper's" monster and "Necrovalley" are on the field: Negate the activation

and has 3 of these Counters: You can destroy all cards your opponent controls

Set: Legendary Dragon Decks Card type: Fusion/Effect Monster Rarity: Common Attack: 2800 Defense: 1200 Must be Special Summoned with "The Fang of Critias"

No monster can be Link Summoned unless this card has at least as many of these counters as that monster's Link Rating

You can only activate this card during your turn unless you control "Galaxy-Eyes Photon Dragon"

Tour Guide From the Underworld [CT09-EN013] Super Rare OTS Tournament Pack 8 while both a "Gravekeeper's" monsterSet: 2012 Collectors Tin Card type: Effect Monster Rarity: Super Rare Attack: 1000 Defense: 600 When this card is Normal Summoned, you can Special Summon 1 Level 3 Fiend Type monster from your hand or Deck. Its effects are negated, and it cannot be used as a Synchro Material Monster.