Crawling Terrain

Cumulative Upkeep {p/g} (At the beginning of your upkeep, if this permanent is on the battlefield, put an
age counter on this permanent. Then you may pay {p/g} for each age counter on it. If you don't, sacrifice
it.)
At the beginning of your upkeep, create X 1/1
black Ant creature tokens with deathtouch.
X is equal to the number of lands you control
and the number of lands in your graveyard.