Arrakis Terraformed

At the end of your turn, you may spend X mana
to place X counters on Arrakis Terraformed.
At the start of your upkeep, if Arrakis
Terraformed has 20 or more counters on it,
you win the game.
"We must use man as a constructive ecological force...
to transform the water cycle, to build a new kind of landscape." -Pardot Kynes