Ziatora's Proving Ground [Streets of New Capenna Prerelease Promos] Phyrexian Set: Jungle 1st Edition Type:

Set: Jungle 1st Edition Type: Water Rarity: Rare Retreat cost: Colorless

If that card is a Goblin or an artifact card

Set: EX: Delta Species Type: Grass Rarity: Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Black Star Promos Type: Colorless Rarity: Black Star Promo

Just three mana

Ziatora's Proving Ground [Streets of New Capenna Prerelease Promos] Phyrexian Set: Jungle 1st Edition Type:Set: Streets of New Capenna Prerelease Promos 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.) Restless Riveteers can always find a sparring partner in the sprawling Treza warehouse.