| Rarity: | R |
| #: | 79 |
| Creature Type or Sub Type: | Instant |
| Rules Text Contains: | Demonstrate
Destroy target artifact or creature you don't control. If that permanent is destroyed this way, its controller exiles cards from the top of their library until they exile a nonland card, then they may cast that card without paying its mana cost. |
| Set: | Commander: Tarkir: Dragonstorm |
| Number: | 79 |
