Is there a specific order/action when searching your library? Opposition Agent says:


You control your opponents while they're searching their libraries.

While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

Are they exiling only the card they are searching for or 1 card at a time till they find it?

2 Answers 2


"Find" has a specific rules meaning in Magic, per comp rule 701.19a (emphasis mine):

701.19a To search for a card in a zone, look at all cards in that zone (even if it’s a hidden zone) and find a card that matches the given description.

A player only "finds" the specified number and description of cards, not the rest of the cards that they happen to encounter during the search process. Only the cards that are chosen (because you control the player, you make that choice) are exiled, and they must be cards that could normally be chosen for that particular effect.


If you look at the rulings for the card Opposition Agent it may answer your question.

It appears you are confused as to the order of events. To make it specific, let's use an example. Say your opponent casts a Cultivate.

In response, you flash in your Agent.

The Agent resolves, and enters the battlefield.

Then, the cultivate resolves, and you search your opponent's library for 2 basic lands. They both are now exiled. You can play those cards, following the usual timing rules—so these lands can be one of your land drops later.

The "exile" effect only happens after you have selected the cards from their library that meet the search criteria. (In the case of cultivate, that would be basic lands.)

  • 4
    "You can play those cards at any time" Opposition agent doesn't change the timing rules for playing lands - still has to be on your turn, one per turn, with an empty stack.
    – Andrew
    Commented Sep 29, 2021 at 21:04

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