Efficient Construction [Aether Revolt]

Efficient Construction [Aether Revolt]Set: Aether Revolt Type: Enchantment Rarity: Uncommon Cost: {3}{U} Whenever you cast an artifact spell, create a 1 1 colorless Thopter artifact creature token with flying. For some of Ghirapur's aerowrights, building thopters is a byproduct of larger construction efforts.

{R}: Dragon Whelp gets +1/+0 until end of turn

including angry pets and cursed lamps of fiery doom

Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {1}{G} Permanents you control gain hexproof and indestructible until end of turn

Set: Fate Reforged Prerelease Promos Type: Creature — Phoenix Rarity: Rare Cost: {1}{R}{R} Flying

Ineffable and incorruptible

II — Put a +1/+1 counter on target creature you control with the greatest power

When the chosen hand isn't behind its owner's back

Set: Commander 2015 Type: Enchantment Rarity: Uncommon Cost: {B} {1}{B}

Set: Ice Age Type: Instant Rarity: Uncommon Cost: {2}{U} Counter target spell unless its controller pays {1}

Set: Iconic Masters Type: Legendary Creature — Dragon Spirit Rarity: Rare Cost: {4}{W}{W} Flying

Set: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {2} Moss Diamond enters the battlefield tapped

Golgari Type: Creature — Spirit Rarity: Uncommon Cost: {B} {B}