Gate to Phyrexia [Antiquities] Human Ally you may reveal the top

you may reveal the top card of your library

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

Set: 30th Anniversary Edition Type: Creature — Unicorn Rarity: Common Cost: {2}{W} Do you know

players become one of the magical unicorns in the game and race from the thundercloud to the sun

an imposing company of shadowy travelers catches them unawares

Gate to Phyrexia [Antiquities] Human Ally you may reveal the topSet: Antiquities Type: Enchantment Rarity: Uncommon Cost: {B}{B} Sacrifice a creature: Destroy target artifact. Activate this ability only during your upkeep and only once each turn. "The warm rain of grease on my face immediately made it clear I had entered Phyrexia." Jarsyl, *Diary*