Cover of Darkness [Assassin's Creed] DP33 "Is it the water

"Is it the water

You may cast a spell with mana value less than X from among them without paying its mana cost

Set: Innistrad: Double Feature Type: Land Rarity: Rare Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from red and from blue

Cover of Darkness [Assassin's Creed] DP33 "Is it the waterSet: Assassin's Creed Type: Enchantment Rarity: Rare Cost: {1}{B} As Cover of Darkness enters the battlefield, choose a creature type. Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and or black creatures.) An Assassin has no weapon as deadly and no ally as dependable as the shroud of night.