Constant Mists [Stronghold] Future Sight where X is 1 plus

where X is 1 plus the exiled creature's converted mana cost

Great Wall of China

Set: From the Vault: Dragons Type: Legendary Creature — Elder Dragon Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying At the beginning of your upkeep

Set: Kaladesh Inventions Type: Artifact Mythic Cost: {1} Mana Vault doesn't untap during your untap step

Constant Mists [Stronghold] Future Sight where X is 1 plusSet: Stronghold Type: Instant Uncommon Cost: {1}{G} BuybackSacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Prevent all combat damage that would be dealt this turn.