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, Pay 1 life: Add 
to your mana pool.
, 
| Oracle text |
| Isolated Grotto {} |Land| Isolated Grotto enters the battlefield tapped. / Tap, Pay 1 life: Add B to your mana pool. / 1, Tap, Sacrifice Isolated Grotto: Draw a card. / B, Tap: Sacrifice a Demon. |
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| Oracle text |
| Isolated Grotto {} |Land| Isolated Grotto enters the battlefield tapped. / Tap, Pay 1 life: Add B to your mana pool. / 1, Tap, Sacrifice Isolated Grotto: Draw a card. / B, Tap: Sacrifice a Demon. |