Mana Tithe
Instant
Counter target spell unless its controller pays 
.
"The tyrant's bellow of rage trailed off into a whimper as the last of his fortune escaped his grasp." —*The Dethroner's Grimoire*
Robbie Trevino
Rulings
The payment is optional.
(wotc • 2004-10-04)
Rulings
The payment is optional.
(wotc • 2004-10-04)