Instant
Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
| Set | USD | |
| 
 | 
Time Spiral Remastered (tsr 145) | $0.09 | 
| 
 | 
Duel Decks: Phyrexia vs. the Coalition (dde 30) | $0.16 | 
| 
 | 
Magic 2010 (m10 114) | $0.18 | 
| 
 | 
Time Spiral (tsp 136) | $0.18 | 
| 
 | 
Duel Decks: Nissa vs. Ob Nixilis (ddr 63) | $0.20 | 
| 
 | 
The List (plst C14-166) | $0.20 | 
| 
 | 
Duel Decks: Garruk vs. Liliana (ddd 54) | $0.21 | 
| 
 | 
Commander 2014 (c14 166) | $0.24 | 
| 
 | 
Duel Decks Anthology: Garruk vs. Liliana (gvl 54) | $0.26 | 
| 
 | 
Historic Anthology 1 (ha1 9) | -- |