Cheapest priced copy (Amonkhet): $0.35 at Card Kingdom, near mint, their price list as of .
Baleful Ammit 
Creature — Crocodile Demon · 4/3 · Uncommon · The List · #AKH-79
Lifelink
When this creature enters, put a -1/-1 counter on target creature you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper