Bumi, Eclectic Earthbender

Card text

When Bumi enters, earthbend 1. (Target land you control becomes a 0/0 creature with haste that's still a land. Put a +1/+1 counter on it. When it dies or is exiled, return it to the battlefield tapped.)

Whenever Bumi attacks, put two +1/+1 counters on each land creature you control.