Opponents can't cast creature spells with a mana value of 3 or less, Opponents can't cast noncreature spells, You can't cast noncreature spells with mana cost equal to X, You can't cast noncreature spells with a mana value greater than 3, Lock
At the beginning of your end step, Gisela triggers, exiling it and Bruna, and returning them to battlefield melded into Brisela, Voice of Nightmares.
Because Brisela prevents opponents from casting spells with mana value three or less, and Gaddock Teeg prevents players from casting noncreature spells with mana cost equal to X or mana value greater than four, your opponents cannot cast noncreature spells.
Component Cards
How It Works
At the beginning of your end step, Gisela triggers, exiling it and Bruna, and returning them to battlefield melded into Brisela, Voice of Nightmares.
Because Brisela prevents opponents from casting spells with mana value three or less, and Gaddock Teeg prevents players from casting noncreature spells with mana cost equal to X or mana value greater than four, your opponents cannot cast noncreature spells.