Vestra, Bloodthirsty Youth

Madness {r} (If you discard this card, discard it into
exile. When you do, cast it for its madness cost or put
it into your graveyard.)
Whenever you cast Vestra or another card for
their madness cost, each opponent loses 2 life
and you gain 2 life.
Discard a card: Draw a card. Activate this ability
only once each turn.