Carpet of Flowers

Oracle Text

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.

Card Rulings

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.