Elaque, Dryad of Balance

Elaque, Dryad of Balance gets +X/+X, where X is half the number of other green creatures you control, rounded down.
At the beginning of your upkeep, put a 0/1 green Sapling creature token with "This creature can't attack or block unless you pay {2}" and "At the beginning of your upkeep, remove a growth counter from this creature. If you do, put a +1/+1 counter on it." onto the battlefield with three growth counters on it.