Your search for "Forgotten Cave 280" revealed the following:
Forgotten Cave (40K) from Warhammer 40,000 Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andrey Nyarl Card Text:Forgotten Cave enters the battlefield tapped.T: Add R.Cycling R (R, Discard this card: Draw a card.)
Forgotten Cave (Surge Foil) (40K) from Warhammer 40,000 Commander, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Andrey Nyarl Card Text:Forgotten Cave enters the battlefield tapped.T: Add R.Cycling R (R, Discard this card: Draw a card.)