Black Vise [Limited Edition Alpha] Kaladesh you may cast that card

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

that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent

Set: Limited Edition Beta Type: Creature — Pegasus Common Cost: {1}{W} Flying

When Knowledge Vault leaves the battlefield

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library

Black Vise [Limited Edition Alpha] Kaladesh you may cast that cardSet: 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.