Chief Engineer [Commander 2016] SM52 Set: Structure Deck: Machine Reactor

Set: Structure Deck: Machine Reactor Card type: Quick Play Spell Rarity: Common When exactly 1 monster with 1500 or less ATK is Special Summoned to your field while your opponent controls a face-up monster: Special Summon as many monsters as possible with the same name as the Summoned monster

the activated effect becomes "Change 1 face-up monster your opponent controls to face-down Defense Position"

You can only activate 1 "Generation Next" per turn

Set: Commander 2015 Type: Sorcery Rarity: Uncommon Cost: {2}{U}{U} Tap all creatures target player controls

Set: Hidden Arsenal 2 Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1000 This card cannot be destroyed by battle with a monster with 1900 or more ATK

Chief Engineer [Commander 2016] SM52 Set: Structure Deck: Machine ReactorSet: Commander 2016 Type: Creature Vedalken Artificer Rarity: Rare Cost: {1}{U} Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.) An eye for detail, a mind for numbers, a soul of clockwork.