Rulings
This is not mana ability. It is a normal ability and it will resolve along with other spells and abilities on the stack. The lands untap during resolution.
(wotc • 2004-10-04)
Can be used on an untapped land.
(wotc • 2004-10-04)
You may untap your opponent's lands if desired.
(wotc • 2004-10-04)
Rulings
This is not mana ability. It is a normal ability and it will resolve along with other spells and abilities on the stack. The lands untap during resolution.
(wotc • 2004-10-04)
Can be used on an untapped land.
(wotc • 2004-10-04)
You may untap your opponent's lands if desired.
(wotc • 2004-10-04)