Cheapest priced copy (Mirage): $0.35 at Card Kingdom, near mint, their price list as of .
Reality Ripple 
Instant · Common · Mirage · #87
Target artifact, creature, or land phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern