Walking Ballista [Double Masters] Friday Night Magic 2013 then you may put a

then you may put a land card from your hand onto the battlefield

"At this rate I fully expect to be replaced by a clockwork golem by year's end

they tap all lands with mana abilities they control and lose all unspent mana

Creatures without flying or islandwalk can't attack

shuffle it into your library from your graveyard

Walking Ballista [Double Masters] Friday Night Magic 2013 then you may put aSet: Double Masters 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.