Tormenting Visions

Target player loses 1 life for each creature card in your graveyard unless he or she discards a nonland card.
Insidious 1 - {2}{b} ({2}{b}, Exile another card with converted mana cost 1 from your graveyard: You may cast this card from your graveyard until end of turn.)
"I'm sorry. I'm sorry. I'm sorry. I'm sorry. I'm sorry.
I'm sorry. I'm sorry. I'm sorry. I'm sorry. I'm sorry."
- King Berold, suicide note