Cheapest priced copy (Dissension): $0.35 at Card Kingdom, near mint, their price list as of .
Enigma Eidolon 
Creature — Spirit · 2/2 · Common · Dissension · #24
{U}, Sacrifice this creature: Target player mills three cards.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dissension | 24 | Common | $0.35 | $2.49 |