Vranas, Lord of The Beasts

Landfall - Whenever a land enters the battlefield
under your control, put a land counter on
Vranas, Lord of The Beasts.
Remove 3 land counters from Vranas: create a
3/3 green Beast creature token with trample
Remove 7 land counters from Vranas: put
+X/+X and trample on target creature
you control until end of turn.
Where X is the number of lands you control.