When Eye of Singularity enters the battlefield, destroy each permanent with the same name as another permanent, except for basic lands. They can't be regenerated. Whenever a permanent other than a basic land enters the battlefield, destroy all other permanents with that name. They can't be regenerated.
NM-Mint - $1.30
Lightly Played - $1.20
Moderately Played - $1.00
Heavily Played - $0.90
Damaged - $0.70
NM-Mint Non English - $1.30
Lightly Played Non English - $1.20
Moderately Played Non English - $1.00
Heavily Played Non English - $0.90
Damaged Non English - $0.70