Cheapest priced copy (Fourth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Channel 
Sorcery · Uncommon · 30th Anniversary Edition · #184
Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.
Restricted inVintage
Banned inCommanderBrawlLegacy
Not legal inStandardPioneerModernPauper
16 printings · $0.35 to $229.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Unlimited Edition | 189 | Uncommon | $5.99 | — |
| 30th Anniversary Edition | 184 | Uncommon | $2.49 | — |
| 30th Anniversary Edition | 481 | Uncommon | $69.99 | — |
| Revised Edition | 188 | Uncommon | $0.39 | — |
| Fourth Edition Foreign Black Border | 236 | Uncommon | — | — |
| Fourth Edition | 236 | Uncommon | $0.35 | — |
| Collectors' Edition | 189 | Uncommon | $4.99 | — |
| Intl. Collectors' Edition | 189 | Uncommon | $5.49 | — |
| Foreign Black Border | 188 | Uncommon | — | — |
| Iconic Masters | 157 | Mythic | $1.99 | $5.99 |
| Limited Edition Alpha | 188 | Uncommon | $229.99 | — |
| Limited Edition Beta | 189 | Uncommon | $99.99 | — |
| Strixhaven Mystical Archive | 50 | Mythic | $0.99 | $3.49 |
| Strixhaven Mystical Archive | 113 | Mythic | $15.99 | $37.99 |
| Summer Magic / Edgar | 188 | Uncommon | — | — |
| From the Vault: Exiled | 3 | Mythic | — | $6.99 |
One ruling from Wizards of the Coast
- 17 November 2017Once your life total is 0, you can't pay any more life, even if you've somehow not lost the game yet.