Unnatural Instincts

Cats you control have flying, goblins you control have vigilance, snakes you control have horsemanship, horses you control have menace, humans you control have trample, giants you control have lifelink, merfolk you control have first strike, dragons you control have prowess,
elementals you control have skulk, and wizards
you control have frenzy 1.
You may spend green and blue mana as if it was mana of any color.