Training Grounds (Showcase Halo Foil) [March of the Machine: The Aftermath] War of the Spark Promos Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Legendary Creature — Mutant Hero Rarity: Mythic Cost: {1}{G}{U}{R} Flying

Mayhem Devil deals 1 damage to any target

Activate only if Mirrex entered the battlefield this turn

including 1–4 cards of rarity Rare or higher

Set: Dominaria Prerelease Promos Type: Legendary Artifact — Vehicle Rarity: Mythic Cost: {4} Flying

Training Grounds (Showcase Halo Foil) [March of the Machine: The Aftermath] War of the Spark Promos Set: Secret Lair Drop SeriesSet: March of the Machine: The Aftermath Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost 2 less to activate. This effect can't reduce the mana in that cost to less than one mana.