Fog [Alpha Edition] Aura Curse This ability can't cause the

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

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Rare Cost: {G} Enchant creature (Target a creature as you cast this

{T}: Add {W}{W}

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

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

Fog [Alpha Edition] Aura Curse This ability can't cause theSet: Alpha Edition Type: Instant Rarity: Common Cost: {G} Prevent all combat damage that would be dealt this turn.