Walking Ballista [Double Masters] Secret Lair Drop Promos where X is the number

where X is the number of creatures that died this way

You may put a Human creature card from among them onto the battlefield tapped and attacking

Tawnos learned quickly from Urza that utter simplicity often led to wondrous

and permanents are the chosen color in addition to their other colors

"Tell me again

Walking Ballista [Double Masters] Secret Lair Drop Promos where X is the numberSet: Double Masters Type: Artifact Creature Construct 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.