Jord, the Rising Earth

Landfall (Put a +1/+1 counter on each creature
you control)
At the beginning of your end step, if you control
a creature with power 10 or more, transform Jord,
the Rising Earth.
{1}{t}: add {u}{r}{g} to your mana pool.
If Jord, the Sleeping Earth dies, exile it instead,
then return it to the battlefield at the beginning
of your next upkeep.