Ziatora's Proving Ground [Streets of New Capenna Prerelease Promos] Mystery Booster Playtest Cards you lose 1 life and

you lose 1 life and that opponent gains 1 life

add an additional {B}

Fireblast deals 4 damage to any target

put a +1/+1 counter on each attacking creature you control

When he found the perpetrator

Ziatora's Proving Ground [Streets of New Capenna Prerelease Promos] Mystery Booster Playtest Cards you lose 1 life andSet: 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.