Gnneter, the Bashing Soil

Landfall- Whenever a land enters the battlefield under your control, put two 3/2 green and white elemental creature tokens with reach, trample and haste onto the battlefield. Whenever gneter, the bashing soil or another elemental you control is dealt damage to, put X 9/7 black elemental demon creature tokens with deathtouch, flying and lifelink onto the battlefield, where X is the number of tokens you control.