Cheapest priced copy (Double Masters): $10.99 at Card Kingdom, near mint, their price list as of .
Ad Nauseam 
Instant · Rare · Shards of Alara · #63
Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $10.99 to $329.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 76 | Rare | $10.99 | $44.99 |
| Shards of Alara | 63 | Rare | $13.99 | $129.99 |
| Secrets of Strixhaven Mystical Archive | 25 | Mythic | $12.99 | $17.99 |
| Secrets of Strixhaven Mystical Archive | 90 | Mythic | $39.99 | — |
| Secrets of Strixhaven Mystical Archive | 155 | Mythic | — | $329.99 |
3 rulings from Wizards of the Coast
- 20 March 2026You may continue to reveal cards with Ad Nauseam even if your life total has been reduced to 0 or less. If you continue, you will continue to lose life, dropping your life total into negative numbers. As soon as you stop, you'll lose the game as a state-based action.
- 20 March 2026If a card in a player's library has {X} in its mana cost, X is 0 for the purpose of determining its mana value.
- 20 March 2026Each time you put the revealed card into your hand and lose the appropriate amount of life, you decide whether to continue by revealing another card. You don't decide in advance how many cards to put into your hand this way.