Cheapest priced copy (Odyssey): $3.49 at Card Kingdom, near mint, their price list as of .
Druid's Call 
Enchantment — Aura · Uncommon · The List · #ODY-239
Enchant creature
Whenever enchanted creature is dealt damage, its controller creates that many 1/1 green Squirrel creature tokens.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper