Glorious End
{2}{R}
Instant
End the turn. (Exile all spells and abilities from the stack, including ~this~. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
At the beginning of your next end step, you lose the game.
Sundial of the Infinite
{2}
Artifact
{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)