Time Winder

Build 2 {5}
{t}: Rewind the current step, except do not untap
Time Winder (A step is a part of a phase: for
example, the combat phase has many steps such as
declare attackers)
{t},{x}: Rewind X steps (To rewind, reset everything
back to what it was at the point you are rewinding to)
{t},{x}{x}: Rewind X phases
{t},{x}{x}{x}: Rewind X turns