Nara, Voice of Nature

Commander Perform 3 - {1}{g}{g} (You may reveal
this card and pay its perform cost when you draw it or
it is put into your command zone. When you do, tap
three target creatures.)
When Nara, Voice of Nature performs, draw a
card for each green creature you control it taps.
As long as you have performed since the start of
your last turn, other green creatures you control
get +1/+1.