Cheapest priced copy (Eventide): $0.79 at Card Kingdom, near mint, their price list as of .
Altar Golem 
Artifact Creature — Golem · */* · Rare · Eventide · #166
Trample
Altar Golem's power and toughness are each equal to the number of creatures on the battlefield.
This creature doesn't untap during your untap step.
Tap five untapped creatures you control: Untap this creature.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.79 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eventide | 166 | Rare | $0.79 | $4.49 |