2016-04-08 : 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.

2016-04-08 : In a Two-Headed Giant game, if you control more than one creature that can attack, you may have them attack different opponents so that Ongoing Investigation’s first ability triggers twice.

2016-04-08 : The token is named Clue and has the artifact subtype Clue. Clue isn’t a creature type.

2016-04-08 : The tokens are normal artifacts. For example, they can be sacrificed to cast Angelic Purge or targeted by Root Out.