Art: James Ryman

Aether Revolt · AER #181 · Rare
Walking Ballista
Artifact Creature — Construct · 0/0
Market price · TCGplayer
$8.98
▼ 10.11% · 7 days
$8.98
▼ 6.26% · 30 days
$8.98
▼ 32.58% · 90 days
$16.61
▼ 0.12% · 7 days
$16.61
▲ 0.91% · 30 days
$16.61
▲ 1.16% · 90 days
Other printings
9
Official rulings
2
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A casting cost of {X}{X} means that you pay twice X. If you want X to be 3, you pay {6} to cast Walking Ballista.
August 7, 2020
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If Walking Ballista has been dealt damage or had its toughness reduced by an effect, this limits how many times you'll be able to remove +1/+1 counters from it in a single turn. For example, if it has three +1/+1 counters on it and has been dealt 1 damage this turn, it will be destroyed immediately after you activate the ability a second time and you won't be able to activate it a third time.
August 7, 2020