Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)
NM-Mint - $3.20
Lightly Played - $2.90
Moderately Played - $2.60
Heavily Played - $2.30
Damaged - $1.60
NM-Mint Non English - $3.20
Lightly Played Non English - $2.90
Moderately Played Non English - $2.60
Heavily Played Non English - $2.30
Damaged Non English - $1.60