Brushland Venus

Defender, reach, infect
Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)
Forecast — {x}{b/g}{r/w}, Reveal Brushland Venus from your hand: Gain control of X target creatures with flying whose combined power is not more than X. (Activate this ability only during your upkeep and only once each turn.)