Glacial Chasm [From the Vault: Realms] SM35 Ageless Ascetic is in the

Ageless Ascetic is in the command zone

among any of the creatures it's being blocked by or is blocking

then look at the top X cards of your library

If there are five or more cards in your graveyard

Glacial Chasm [From the Vault: Realms] SM35 Ageless Ascetic is in theSet: From the Vault: Realms Type: Land Rarity: Mythic 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.