Mages' Contest [The List] RC12 Set: XY: Steam Siege Type:

Set: XY: Steam Siege Type: Supporter Rarity: Ultra Rare

that target's ATK and DEF become 0 until the End Phase

you can return any number of face-up Spell and Trap Cards from the field to their owners' hands

while this card is in your GY (except during the Damage Step): You can Set this card

Mages' Contest [The List] RC12 Set: XY: Steam Siege Type:Set: The List 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.