Walking Ballista [Aether Revolt Prerelease Promos] Urza's Mine Set: Alliances Type: Artifact Creature

Set: Alliances Type: Artifact Creature — Phyrexian Construct Rarity: Rare Cost: {6} When Phyrexian Devourer's power is 7 or greater

Mill two cards

Set: Magic 2010 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Friends teach what you want to know

"Time is fluid as a dance

Walking Ballista [Aether Revolt Prerelease Promos] Urza's Mine Set: Alliances Type: Artifact CreatureSet: Aether Revolt Prerelease Promos Type: Artifact Creature Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1 +1 counters on it. {4}: Put a +1 +1 counter on Walking Ballista. Remove a +1 +1 counter from Walking Ballista: It deals 1 damage to any target.