Scout's Warning

Instant

The next creature card you play this turn can be played as though it had flash. Draw a card.

"There is no tactic I enjoy more than ambushing the ambushers."

Legalities

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Rulings (4)

2013-04-15 If you cast multiple Scout's Warnings on the same turn, they'll all apply to the very next creature spell you cast.
2013-04-15 You don't choose a creature card when Scout's Warning resolves. Rather, this sets up a rule that is true for you until the turn ends or until you cast a creature card, even if you cast that creature at a time you normally could.
2013-04-15 You cannot use this effect to play Dryad Arbor during an opponent's turn.
2013-04-15 After Scout's Warning resolves, you can suspend a creature card in your hand any time you can cast an instant. As soon as you actually cast a creature card, you lose this capability.