Mehr Informationen zu Unholy Grotto aus der Edition Onslaught:
| Kartenname | Unholy Grotto |
| Edition | Onslaught |
| Release Datum | 2002-10-07 |
| Rarity | Rare |
| Card Frame | |
| Finish | Non-Foil |
| Card Number | 327 |
| Card Type | Land |
| Keywords | |
| Card Color | Colorless |
| Color Identity | Black |
| Produced Mana | Colorless |
| Converted Manacost | 0 |
| Power | |
| Toughness | |
| Artist | John Avon |
| Editioncode | ons |
| Deutscher Kartenname | Unheilige Grotte |
| Französischer Kartenname | Grotte impie |
| Sprache | English |
| Trading Card Game | Magic: The Gathering |
| Marke | Wizards of the Coast |