Amphibious Kavu

Creature - Kavu 2/2, 2G (3)
Whenever Amphibious Kavu blocks or becomes blocked by one or more blue and/or black creatures, Amphibious Kavu gets +3/+3 until end of turn.
Merfolk raided the shores untroubled for years ... until the shores started fighting back.
Illus. Wayne England

Crystal Keep Rulings Summaries

• The ability may only trigger once per combat. [Planeshift FAQ 2001/01/26]

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Planeshift (Common)