Mages' Contest [Invasion] Dragons of Tarkir Promos Counter target spell unless its

Counter target spell unless its controller pays {1}

Sacrifice Jester's Cap: Search target player's library for three cards and exile them

Sacrifice three artifacts: Search your library for an artifact card

Set: Tempest Type: Artifact Rarity: Rare Cost: {1} {3}

Set: Judge Gift Cards 2009 Type: Instant Rarity: Rare Cost: {U} Counter target activated or triggered ability

Mages' Contest [Invasion] Dragons of Tarkir Promos Counter target spell unless itsSet: Invasion Type: Instant Rarity: Rare Cost: {1}{R}{R} You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.