Black Vise [Kaladesh Inventions] Enchantment where X is the number

where X is the number of times the letter of your choice appears in that creature's name

Set: Beta Edition Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step

Set: Hour of Devastation Type: Enchantment Rarity: Rare Cost: {2}{W} Players can't get counters

Set: Portal Type: Sorcery Rarity: Rare Cost: {G} Search your library for a creature card

Paradoxically

Black Vise [Kaladesh Inventions] Enchantment where X is the numberSet: Kaladesh Inventions Type: Artifact Rarity: Mythic 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.