If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.
NM-Mint - $1.10
Lightly Played - $1.10
Moderately Played - $1.00
Heavily Played - $0.90
Damaged - $0.70
NM-Mint Non English - $1.10
Lightly Played Non English - $1.10
Moderately Played Non English - $1.00
Heavily Played Non English - $0.90
Damaged Non English - $0.70