Fog [Alpha Edition] Aura Curse Set: Dominaria Prerelease Promos Type:

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

it's an artifact creature with power and toughness each equal to its mana value

Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

{T}: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield

Fog [Alpha Edition] Aura Curse Set: Dominaria Prerelease Promos Type:Set: Alpha Edition Type: Instant Rarity: Common Cost: {G} Prevent all combat damage that would be dealt this turn.