Can you play instants during opponents turn?

Yes, you can play an instant any time you have priority, which happens after each spell cast or action taken, barring any effects that prevent you from playing an instant.

What cards can you play during your opponent’s turn?

Cards like Seedborn Muse, Prophet of Kruphix, or Murkfiend Liege can give you the resources to get active in your opponent’s turn. With them, if you have creatures wth tap abilities, you can use them every turn instead of just once per turn cycle, or just activate abilities more often due to having more mana available.

Can I use a tap ability during my opponent turn?

Yep. If they have an ability that would do so, there is nothing stopping them (aside from Summoning Sickness, targeting, the usual). Unless you are playing with Area of Effect.

Can you counter an instant magic?

Re: can you counter an instant magic Yes, instants use the stack and can be responded to just like every other spell.

Can you activate spell cards from your hand?

The turn player can activate Quick-Play Spell Cards from their hand during any Phase of their turn; either player can activate Set Quick-Play Spell cards during any Phase in either player’s turn, except during the turn they are Set.

What can you use on your opponent’s turn?

You can use lands that can kill your opponent without ever being countered like Mutavault. The only spells you’re normally given permission to cast on an opponent’s turn are instants and spells that can be cast any time you can cast an instant (such as cards with Flash).

Can a card be played during an opponent’s turn?

Oftentimes you can find updated wording that’s clearer than the original card text, as well as rulings that help explain common questions people have about the card.) You can only cast instants and cards with flash on opponent’s turn. 702.8a Flash is a static ability that functions in any zone from which you could play the card it’s on.

Can you cast an instant on your opponent’s turn?

You can only cast instants and cards with flash on opponent’s turn. 702.8a Flash is a static ability that functions in any zone from which you could play the card it’s on. “Flash” means “You may play this card any time you could cast an instant.”

Can a quick play card be used during your turn?

And Quick-Play Spell cards can be used from the Hand during your Turn, but cannot be used during your Opponent’s Turn, unless it is Set on your side of the field, during your Opponent’s Turn.