Mox Lotus [Unhinged] Nightmare Horse Set: Amonkhet Invocations Type: Enchantment

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {2}{U}{U} Tap an untapped creature you control: Tap target artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it

Activate this ability only if Luminarch Ascension has four or more quest counters on it

Probably fine

The Order of Saint Traft found new strength with Sigarda's support

Mox Lotus [Unhinged] Nightmare Horse Set: Amonkhet Invocations Type: EnchantmentSet: Unhinged Type: Artifact Rarity: Rare Cost: {15} {T}: Add {}. {100}: Add one mana of any color.