Tormenting Voice
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards.
Kargan tribal lands rarely have issues with goblin raids. Coincidentally, they also rarely have issues keeping their dragons fed.
Izzy
Zendikar Rising (ZNR)
• #172Rulings
You must discard exactly one card to cast Tormenting Voice; you can't cast it without discarding a card, and you can't discard additional cards.
(wotc • 2020-09-25)
You must discard exactly one card to cast Tormenting Voice; you can't cast it without discarding a card, and you can't discard additional cards.
(wotc • 2018-07-13)
Rulings
You must discard exactly one card to cast Tormenting Voice; you can't cast it without discarding a card, and you can't discard additional cards.
(wotc • 2020-09-25)
You must discard exactly one card to cast Tormenting Voice; you can't cast it without discarding a card, and you can't discard additional cards.
(wotc • 2018-07-13)