Valakut, the Molten Pinnacle [Zendikar] Shadows over Innistrad whenever an attacking creature deals

whenever an attacking creature deals combat damage to you

in person or online

Set: Aether Revolt Prerelease Promos Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

or the smell

The Pokémon TCG: Eevee Evolutions Premium Collection Includes:

Valakut, the Molten Pinnacle [Zendikar] Shadows over Innistrad whenever an attacking creature dealsSet: Zendikar Type: Land Rarity: Rare Valakut, the Molten Pinnacle enters the battlefield tapped. Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target. {T}: Add {R}.