Gem-Knight Master Diamond [DT07-EN083] Ultra Rare Lightning[+10] if your opponent has more

if your opponent has more total cards in their hand and their side of the field than you do: You can detach 1 Xyz Material from this card

All Mountains are Plains

Sacrifice Polluted Delta: Search your library for an Island or Swamp card

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {C}

{T}: Reveal cards from the top of your library until you reveal a basic land card

Gem-Knight Master Diamond [DT07-EN083] Ultra Rare Lightning[+10] if your opponent has moreSet: Duel Terminal 7 Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2900 Defense: 2500 3 "Gem Knight" monsters Must first be Fusion Summoned. This card gains 100 ATK for each "Gem " monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name and original effect become the same as that banished monster's.