Kha Zix

Menace, Flying, Doublestrike, Acid Blood 2, Natural Aggression
{t}{x}{b/g}{b/g}{b/g}: This creature gains X +1/+1 counters
{t}{2}{p/b}: Equip this creature with any equipment that you control; pay {x} more to equip any 1 equipment on the battlefield for X turns (beginning of end step)
{t}{2}{p/g}: Target creature loses Aggressive Nature and gains Higher Intellect until the end step of your next turn