History of CR 117.1a

A player may cast an instant spell any time they have priority. A player may cast a noninstant spell during their main phase any time they have priority and the stack is empty.

rule 117.1a not present in this release

In a Two-Headed Giant game, each team begins the game with a shared life total of 30 instead; see rule 810, "Two-Headed Giant Variant."

In a Two-Headed Giant game, each team begins the game with a shared life total of 30 instead; see rule 806, "Two-Headed Giant Variant."