| 9/20/2016 |
If a permanent has  in its mana cost, X is considered to be 0. |
| 9/20/2016 |
To determine how many cards to draw, use the mana value of the permanent immediately before you sacrificed it. |
| 9/20/2016 |
If an effect copies Morbid Curiosity, the controller of the copy will draw the same number of cards as determined by the original. Its controller can't and doesn't have to sacrifice a permanent. |
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