Necrotic Focus

Activated abilities of cards in your graveyard cost {2} less to activate. This effect can't reduce the
mana in that cost to less than one mana.
Whenever you activate the ability of a card in
your graveyard, draw a card and lose 1 life.
"Let's just say that the previous owner had an
unhealthy attachment to the Focus." Vestrid,
Apprentice Necromancer