Cheapest priced copy (Mirrodin): $0.49 at Card Kingdom, near mint, their price list as of .
Megatog 
Creature — Atog · 3/4 · Rare · Mirrodin · #100
Sacrifice an artifact: This creature gets +3/+3 and gains trample until end of turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin | 100 | Rare | $0.49 | $4.49 |