Chain of Vapor [Onslaught] Human Citizen where X is the number

where X is the number of different color pairs among permanents you control that are exactly two colors

−3: Gain control of target creature until end of turn

Then that player shuffles

Set: Double Masters Type: Instant Rarity: Rare Cost: {3}{B}{B} Reveal the top card of your library and put that card into your hand

As long as Houond of Urabrask has an oil counter on it

Chain of Vapor [Onslaught] Human Citizen where X is the numberSet: Onslaught Type: Instant Rarity: Uncommon Cost: {U} Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.