Keyword AbilitiesBeginner

Flash in MTG

You may cast this card any time you could cast an instant.

Why it matters

Flash changes casting timing. It usually lets you cast a nonland card while another player has the turn, provided you have priority.

Visual example

Cast during combat

Top of stackResolves first
Ambush Viper

Can be cast during an opponent's combat

Cast during combat
Objects leave from the top, one at a time
  1. 1An opponent attacks and then passes priority.
  2. 2Cast Ambush Viper because it has flash.
  3. 3After it resolves, the Viper can be declared as a blocker if the step permits.

Real card example

Ambush Viper

Can be cast during an opponent's combat

Common mistakes

  • Flash does not make a card an instant.
  • You still need priority and must obey other casting restrictions.

Official rule reference

Comprehensive Rules 702.8 · Current Comprehensive Rules

View official rules