Mages' Contest [Invasion] Magic 2010 exchange control of Gilded Drake

exchange control of Gilded Drake and up to one target creature an opponent controls

X can't be 0

Set: Lorwyn Type: Legendary Creature — Goblin Shaman Rarity: Rare Cost: {2}{B}{R} Fear (This creature can't be blocked except by artifact creatures and/or black creatures

Set: Zendikar Type: Legendary Planeswalker — Sorin Rarity: Mythic Cost: {3}{B}{B}{B} +2: Sorin Markov deals 2 damage to any target and you gain 2 life

" —Elvish refugee

Mages' Contest [Invasion] Magic 2010 exchange control of Gilded DrakeSet: 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.