Planar Pinnacle

Shroud
{x}: Put X tower counters on Planar Pinnacle.
At the beginning of your upkeep, if there
are 100 or more tower counters on Planar
Pinnacle, you win the game.
If Planar Pinnacle would leave the battlefield, you
may put it into the command zone.
Counters remain on Planar Pinnacle as it
moves to any zone other than a player's
hand or library