Some mages tapped into the time rifts, forcing upon others alternate timelines in which unimaginable horrors befall them.

Time Spiral Remastered

Sudden Death

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Target creature gets -4/-4 until end of turn.

Time Spiral

Split second (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.)
Target creature gets -4/-4 until end of turn.