Glacial Chasm [From the Vault: Realms] Mirrodin you may mill three cards

you may mill three cards

{T}: Prevent all combat damage that would be dealt this turn

{T}: Choose a color

Roar of the World is in the command zone or on the battlefield

Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step

Glacial Chasm [From the Vault: Realms] Mirrodin you may mill three cardsSet: From the Vault: Realms Type: Land Mythic Cost: 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.