Walking Ballista [Secret Lair Drop Series] HGSS10 you can gain 500 Life

you can gain 500 Life Points for each card in your opponent's hand

If there are no mining counters on Gemstone Mine

if this card was Normal Summoned or flipped face-up this turn: Return it to the hand

As long as your devotion to blue and black is less than seven

tap enchanted creature

Walking Ballista [Secret Lair Drop Series] HGSS10 you can gain 500 LifeSet: Secret Lair Drop Series 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.