cards like brainstorm mtg Ponder vs Serum Visions then put two cards from your hand on top of your library in any order. MCD]] Brainstorm, Ponder, Preordain -

Some sorceries even have flashback, so youll always have something to do with your mana

It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on in response to Sarkhan's ability

You can later exploit this effect with cards like Sun Titan or Ephemerate, allowing you to draw even more cards as the game progresses

Just remember at 6 mana, its not exactly a quick drop, so pack some protection to keep your bloodthirsty boss alive once it hits the table

While there are plenty of other extra turn spells, Capture of Jingzhou is one of the most efficient versions of this effect without any additional conditions

Sorcery-schmorcery, who cares if it isnt Instant