Helix Pinnacle [The List]

Set: The List Type: Enchantment Rarity: Rare Cost: {G} Shroud (This enchantment can't be the target of spells or abilities.){X}: Put X tower counters on Helix Pinnacle.At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.