Shurulith, Father of Volcanoes

Whenever Shurulith, Father of Volcanoes enters
the battlefield or attacks, target land becomes a
Volcano with "Whenever this land becomes
tapped, deal 1 damage to its controller" in
addition to its other types and abilities.
{r}: Deal 2 damage to target creature an opponent
controls. Activate this ability only when
Shurulith, Father of Volcanoes is attacking.