Mages' Contest [Invasion] Commander Set: Masters 25 Type: Enchantment

Set: Masters 25 Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant creature

Whenever a creature dies

target creature gains indestructible

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

Set: Aether Revolt Prerelease Promos Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

Mages' Contest [Invasion] Commander Set: Masters 25 Type: EnchantmentSet: 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.