Enchantment, G (1)
Uncommon
At the beginning of each of your main phases, if you haven't added mana to your mana pool with this ability this turn, you may add up to X mana of any one color to your mana pool, where X is the number of Islands target opponent controls.
Illus. Rebecca Guay

10/4/2004: You can add less than X mana if you want, even zero.
10/4/2004: You can target a different opponent each turn.
10/4/2004: The ability is not a mana ability.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander