Black Vise [Limited Edition Alpha] Kaladesh Kaervek the Merciless deals damage

Kaervek the Merciless deals damage to any target equal to that spell's converted mana cost

Set: Modern Masters Type: Instant Rare Cost: {1}{U}{U}{U} Choose two — • Counter target spell

Gilt-Leaf archdruid

you may cast that card and you may spend mana as though it were mana of any color to cast that spell

"When the wielder is strong enough

Black Vise [Limited Edition Alpha] Kaladesh Kaervek the Merciless deals damageSet: Limited Edition Alpha 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.