Golgari Grave-Troll [Ravnica: City of Guilds] Magic 2013 Promos Shifting Wall enters the battlefield

Shifting Wall enters the battlefield with X +1/+1 counters on it

Now they roam Ravnica's skies

Set: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft — {T}: Add one mana of any color

Set: Ixalan Prerelease Promos Type: Artifact — Vehicle Rarity: Rare Cost: {2} Whenever a creature you control explores

Golgari Grave-Troll [Ravnica: City of Guilds] Magic 2013 Promos Shifting Wall enters the battlefieldSet: Ravnica: City of Guilds Type: Creature Troll Skeleton Rarity: Rare Cost: {4}{G} Golgari Grave Troll enters the battlefield with a +1 +1 counter on it for each creature card in your graveyard. {1}, Remove a +1 +1 counter from Golgari Grave Troll: Regenerate Golgari Grave Troll. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)