Walking Ballista [Double Masters] BW96 You can Tribute 1 other

You can Tribute 1 other face-up Attack Position "Mermail" monster

Set: Commander 2016 Type: Legendary Creature — Human Ally Rarity: Mythic Cost: {2}{R}{W} Whenever Bruse Tarl

Set: Sun & Moon: Hidden Fates Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

Set: The Dark Type: Sorcery Rarity: Rare Cost: {W}{W}{W} For each land

Set: Collectors' Edition Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

Walking Ballista [Double Masters] BW96 You can Tribute 1 otherSet: 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.