At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
Near Mint - $3.75
Lightly Played - $3.75
Moderately Played - $3.00
Heavily Played - $2.25
Damaged - $1.50
Near Mint Non-English - $3.75
Lightly Played Non-English - $3.75
Moderately Played Non-English - $3.00
Heavily Played Non-English - $2.25
Damaged Non-English - $1.50