Glacial Chasm [Ice Age] Two-Headed Giant Tournament you may create a 1/1

you may create a 1/1 white Bird creature token with flying

Reverse Type: Legendary Enchantment Whenever an opponent casts their first spell each turn

Set: Zendikar Expeditions Type: Land — Mountain Forest Mythic Cost: ({T}: Add {R} or {G}

Set: Legends Type: Artifact Rare Cost: {4} {2}

Glacial Chasm [Ice Age] Two-Headed Giant Tournament you may create a 1/1Set: Ice Age Type: Land Uncommon 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.