Black Vise [Limited Edition Beta] Goblin Artificer Set: Invasion Type: Instant Rare

Set: Invasion Type: Instant Rare Cost: {2}{U} Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn

For example

Set: Commander 2017 Type: Creature — Dragon Mythic Cost: {6}{R}{R} Flying Whenever a Dragon you control attacks

like a witch's oils

add an amount of {C} equal to that spell's converted mana cost

Black Vise [Limited Edition Beta] Goblin Artificer Set: Invasion Type: Instant RareSet: Limited Edition Beta Type: Artifact Uncommon Cost: {1} As Black Vise enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.