Priest of Forgotten Gods
Creature — Human Cleric
, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add and draw a card.
The Orzhov are not the only religious tradition on Ravnica, nor the oldest.
Zack Stella
Ravnica Remastered (RVR)
• #90Rulings
You can activate the ability of Priest of Forgotten Gods without choosing any targets if you wish. You'll still add {B}{B} and draw a card.
(wotc • 2019-01-25)
Because it may have targets, the ability of Priest of Forgotten Gods isn't a mana ability. It uses the stack and can be responded to, even if no targets were chosen.
(wotc • 2019-01-25)
You may target players who can't sacrifice a creature. Those players still lose 2 life.
(wotc • 2019-01-25)
Rulings
You can activate the ability of Priest of Forgotten Gods without choosing any targets if you wish. You'll still add {B}{B} and draw a card.
(wotc • 2019-01-25)
Because it may have targets, the ability of Priest of Forgotten Gods isn't a mana ability. It uses the stack and can be responded to, even if no targets were chosen.
(wotc • 2019-01-25)
You may target players who can't sacrifice a creature. Those players still lose 2 life.
(wotc • 2019-01-25)