Glacial Chasm [Ice Age] Sphinx if you control at least

if you control at least five other Mountains

Underworld Dreams deals 1 damage to that player

each opponent loses 1 life and you gain that much life

After lightning struck the cliffs

If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa

Glacial Chasm [Ice Age] Sphinx if you control at leastSet: Ice Age Type: Land Rarity: Uncommon Cumulative upkeepPay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Glacial Chasm enters the battlefield, sacrifice a land. Creatures you control can't attack. Prevent all damage that would be dealt to you.