Cheapest priced copy (Modern Horizons 3): $1.29 at Card Kingdom, near mint, their price list as of .
Invert Polarity 
Instant · Rare · Modern Horizons 3 · #459
Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip, counter that spell.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $1.29 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 3 | 190 | Rare | $1.29 | $1.99 |
| Modern Horizons 3 | 459 | Rare | $1.99 | $3.99 |
| Modern Horizons 3 Promos | 190s | Rare | — | $3.99 |
4 rulings from Wizards of the Coast
- 7 June 2024You don't make any decisions about new targets for the spell until you win the flip.
- 7 June 2024If the target spell has damage divided as it was cast, the division can't be changed although the targets receiving that damage still can. The same is true of spells that distribute counters.
- 7 June 2024If the target spell has a variable number of targets, you can't change how many targets it has.
- 7 June 2024If you choose new targets for the target spell, the new targets must be legal.