If you would pay life while your library has at least that many cards in it, exile that many cards from the top of your library instead.
[+1]: Look at the top two cards of your library. Exile one of them and put the other into your hand.
[-2]: Create two 1/1 black Nightmare creature tokens with "At the beginning of combat on your turn, if a card was put into exile this turn, put a +1/+1 counter on this creature."
[-7]: Target player exiles the top X cards of their library, where X is the total mana value of cards you own in exile.
NM-Mint - $2.60
Lightly Played - $2.50
Moderately Played - $2.40
Heavily Played - $2.10
Damaged - $1.70
NM-Mint Non English - $2.60
Lightly Played Non English - $2.50
Moderately Played Non English - $2.40
Heavily Played Non English - $2.10
Damaged Non English - $1.70
Foil Prices
NM-Mint Foil - $4.10
Lightly Played Foil - $3.90
Moderately Played Foil - $3.70
Heavily Played Foil - $3.30
Damaged Foil - $2.70
NM-Mint Foil Non English - $4.10
Lightly Played Foil Non English - $3.90
Moderately Played Foil Non English - $3.70
Heavily Played Foil Non English - $3.30
Damaged Foil Non English - $2.70