Oreum Earthshaker

Land creatures you control have haste, lifelink, and trample.
Landfall - Whenever a land enters the battlefield under your control, you may pay {w}{r}{g}. If you do, put four +1/+1 counters on it, and it becomes a 0/0 Elemental creature with haste, lifelink, and trample until end of turn. It's still a land.
The earth and I share one breath.