Cheapest priced copy (Mirage): $0.79 at Card Kingdom, near mint, their price list as of .
Warping Wurm 
Creature — Wurm · 1/1 · Rare · Mirage · #287
Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)
At the beginning of your upkeep, this creature phases out unless you pay {2}{G}{U}.
Whenever this creature phases in, put a +1/+1 counter on it.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirage | 287 | Rare | $0.79 | — |