Kal, Wildfire Avatar

You may play an additional land on each of your
turns
Whenever a land enters the battlefield under
your control, create a 0/0 Wildfire Spirit token
with trample and 'Wildfire Spirit tokens get
+1/+1'
{t}, Kal, Wildfire Avatar deals damage X to any
target where X is the amount of Wildfire Spirit
tokens you control