Oracle

Instant 

Tap up to two target creatures.
Investigate. (Create a colorless Clue artifact token with "2, Sacrifice this artifact: Draw a card.")

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

4/8/2016
You can cast Expose Evil with no targets if you only want to investigate.

4/8/2016
If Expose Evil has at least one target and all of those targets become illegal, the spell doesn’t resolve and you won’t investigate.

4/8/2016
The token is named Clue and has the artifact subtype Clue. Clue isn’t a creature type.

4/8/2016
The tokens are normal artifacts. For example, they can be sacrificed to cast Angelic Purge or targeted by Root Out.

4/8/2016
If you sacrifice a Clue for another card’s cost or effect, such as that of Angelic Purge or Tamiyo’s Journal, you can’t also pay 2 and sacrifice it to draw a card.

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