Priest of Gix

{2}{B} · Creature — Phyrexian Human Cleric Minion

When this creature enters, add {B}{B}{B}.

Motor: se resuelve a mano

Rulings (2)

The triggered ability isn't a mana ability. It uses the stack and can be responded to.
Wizards of the Coast · 2011-01-25
You get the mana whether you want it or not. If you don't spend it, it will disappear at the end of the current step (or phase).
Wizards of the Coast · 2011-01-25