Coastal Breach
Sorcery
Undaunted (This spell costs 
less to cast for each opponent.)
Return all nonland permanents to their owners' hands.
The sea filled the villagers' nets until the day it cast its own.
Titus Lunter
Commander 2016 (C16)
• #6Rulings
Effects that reduce what you pay to cast a spell don’t affect its mana value.
(wotc • 2016-11-08)
Causing an opponent to lose the game after you’ve announced that you’re casting a spell with undaunted and determined its total cost won’t cause you to have to pay more mana.
(wotc • 2016-11-08)
Rulings
Effects that reduce what you pay to cast a spell don’t affect its mana value.
(wotc • 2016-11-08)
Causing an opponent to lose the game after you’ve announced that you’re casting a spell with undaunted and determined its total cost won’t cause you to have to pay more mana.
(wotc • 2016-11-08)