Your search for "Marble Diamond 165" revealed the following:
Marble Diamond (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Jeff Miracola Card Text:Marble Diamond comes into play tapped.T: Add W to your mana pool.
Marble Diamond (VOC) from Crimson Vow Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lindsey Look Card Text:Marble Diamond enters the battlefield tapped.T: Add W.
Marble Diamond - Rulebook Showcase (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Phil Stone Card Text:Marble Diamond enters the battlefield tapped.T: Add W.
Marble Diamond (MIR) from Mirage, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Jeff Miracola Card Text:Marble Diamond comes into play tapped.T: Add W to your mana pool. Play this ability as a mana source.