Flash Rule 702.8 Glossary

A keyword ability that lets a player play a card any time they could cast an instant. See rule 702.8, “Flash.”
Flying Rule 702.9 Glossary

A keyword ability that restricts how a creature may be blocked. See rule 702.9, “Flying.”

Rulings (3)

November 7, 2014 Wizards of the Coast
If you cast Angel of the Dire Hour outside of combat, its triggered ability will trigger but have no effect.
November 7, 2014 Wizards of the Coast
If a spell or ability instructs you to put Angel of the Dire Hour onto the battlefield from your hand, that means you won’t have cast it, so its triggered ability won’t trigger.
November 7, 2014 Wizards of the Coast
Creatures that were declared as attackers or entered the battlefield attacking continue to be attacking creatures until the combat phase ends. It’s possible to exile all attacking creatures after they’ve dealt combat damage if you cast Angel of the Dire Hour during the combat damage step or end of combat step.

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