Can you play an instant after first strike damage?

Players get priority after first strike damage is dealt, but before we move on to the normal combat damage step. This means we can cast instants and play abilities.

Does First Strike prevent damage?

A card with first strike will assign combat damage in the first combat damage step. So if you attack or block with a creature that has first strike, that card will deal damage first and will not take into consideration any damage being dealt by the opposing creature.

Can you respond between first strike and regular damage?

There’s a first strike damage step and a regular damage step. You can’t “respond” to first strike damage (because, as you said, it doesn’t use the stack), but you do get an opportunity to play spells and activate abilities before and between the two.

Does double strike damage carry over to player?

It’s clear that when a creature with no other abilities aside from double strike is blocked that even if the defender has lethal damage marked in the first strike step that the additional damage does not carry forward to the player.

How much damage does a creature do when it fights itself?

If a creature is an illegal target for a resolving spell or ability that instructs it to fight, no damage is dealt. 701.12c If a creature fights itself, it deals damage to itself equal to twice its power. 701.12d The damage dealt when a creature fights isn’t combat damage.

Can a first strike be used in combat?

First strike only works in combat, and Fight is not a combat ability. See the Comprehensive Rules: 701.12. Fight. 701.12a A spell or ability may instruct a creature to fight another creature or it may instruct two creatures to fight each other. Each of those creatures deals damage equal to its power to the other creature.

What happens when a creature is no longer on the battlefield?

701.12b If a creature instructed to fight is no longer on the battlefield or is no longer a creature, no damage is dealt. If a creature is an illegal target for a resolving spell or ability that instructs it to fight, no damage is dealt. 701.12c If a creature fights itself, it deals damage to itself equal to twice its power.

Can a spell instruct a creature to fight another creature?

701.12a A spell or ability may instruct a creature to fight another creature or it may instruct two creatures to fight each other. Each of those creatures deals damage equal to its power to the other creature. 701.12b If a creature instructed to fight is no longer on the battlefield or is no longer a creature, no damage is dealt.