![Tendrils of Corruption [Mystery Booster]](http://mediareload.net/cdn/shop/files/8fd5cf50-28be-519b-a734-fd8d0d5a37ec_1024x1024.jpg?v=1712116932)
![Tendrils of Corruption [Mystery Booster]](http://mediareload.net/cdn/shop/files/8fd5cf50-28be-519b-a734-fd8d0d5a37ec_480x480.jpg?v=1712116932)
| Set: | Mystery Booster |
| Type: | Instant |
| Rarity: | Common |
| Cost: | {3}{B} |
Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
Darkness doesn't always send its minions to do its dirty work.