Mages' Contest [Invasion] Commander Set: Grand Prix Promos Type:

Set: Grand Prix Promos Type: Creature — Kor Artificer Rarity: Rare Cost: {1}{W} When Stoneforge Mystic enters the battlefield

These devices lured so many spirits that sometimes entire battlefields would become haunted at once

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {3}{G}{G} Trample

Set: Arabian Nights Type: Creature — Fish Rarity: Common Cost: {U}{U} Dandân can't attack unless defending player controls an Island

Set: Signature Spellbook: Jace Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card

Mages' Contest [Invasion] Commander Set: Grand Prix Promos Type:Set: 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.