Mages' Contest [Invasion] Emblem Set: American God Cards Card

Set: American God Cards Card type: Normal Monster Rarity: Secret Rare Attack: X000 Defense: X000 The heavens twist and thunder roars

Set: XY: Base Set Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

You can only use each effect of "Joker's Knight" once per turn

Negate an activation of a Spell/Trap Card / Normal Summon / Flip Summon / Special Summon and destroy the Spell Card

Mages' Contest [Invasion] Emblem Set: American God Cards CardSet: 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.