mtg timey wimey commander deck Magic Doctor Who Perfect for both newcomers and seasoned Commander players Magic: The Gathering Universes Beyond

It is hard to know how important it is to keep your land count up compared to the spell you are considering countering

They often see play in decks that are trying to fill their graveyards and play multiple spells per turn

Plus, it has a nifty additional effect that the controller of the spell it counters can't cast anymore spells this turn

This direction is shown with cards like Laelia, the Blade Reforged and Wild-Magic Sorcerer, or Prosper, Tome-Bound if you add black mana

This is a quick and easy way for a player who's behind to suddenly catch up and turn the tables, but the Mirror is a bit costly as compensation for that kind of power