Ziatora's Proving Ground (Borderless Alternate Art) [Streets of New Capenna] Arena League 2003 destroy all non-Wall creatures that

destroy all non-Wall creatures that player controls that didn't attack this turn

' my father liked to say

Set: Secret Lair Drop Promos Type: Artifact Creature — Thopter Rarity: Rare Cost: {0} Flying

if Mana Vault is tapped

Set: Collectors’ Edition Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

Ziatora's Proving Ground (Borderless Alternate Art) [Streets of New Capenna] Arena League 2003 destroy all non-Wall creatures thatSet: Streets of New Capenna Type: Land Swamp Mountain Forest Rarity: Rare ({T}: Add {B}, {R}, or {G}.) Ziatora's Proving Ground enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)