Carpet of Flowers 229 (Universes Beyond: Doctor Who)

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.

NM - $3.00
LP - $2.50
MP - $2.00
HP - $1.50
DMG - $1.50