Imperial Mask [Future Sight] SPA Explorador de Seton that Mountain produces colorless mana

that Mountain produces colorless mana instead of any other type

or hold them fast and die for something

Set: Magic Origins Type: Instant Common Cost: {1}{G} Target creature gets +4/+4 until end of turn

Set: Magic 2012 Type: Instant Common Cost: {W} Destroy target enchantment

Veiled Apparition becomes a 3/3 Illusion creature with flying and "At the beginning of your upkeep

Imperial Mask [Future Sight] SPA Explorador de Seton that Mountain produces colorless manaSet: Future Sight Type: Enchantment Rare Cost: {4}{W} When Imperial Mask enters the battlefield, if it's not a token, each of your teammates creates a token that's a copy of Imperial Mask. You have hexproof. (You can't be the target of spells or abilities your opponents control.)