Cheapest priced copy (Return to Ravnica): $0.49 at Card Kingdom, near mint, their price list as of .
Nivmagus Elemental 
Creature — Elemental · 1/2 · Rare · Return to Ravnica · #219
Exile an instant or sorcery spell you control: Put two +1/+1 counters on this creature. (That spell won't resolve.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Return to Ravnica | 219 | Rare | $0.49 | $0.49 |
3 rulings from Wizards of the Coast
- 1 October 2012You exile an instant or sorcery spell you control from the stack, not an instant or sorcery card in any other zone.
- 1 October 2012Exiling a spell is not the same as countering it, although the spell won’t resolve in both cases. You may exile a spell that can’t be countered.
- 1 October 2012You can exile a copy of an instant or sorcery spell to activate Nivmagus Elemental’s ability if you control the copy.