2016-08-23 : If a card you remove requires you to reveal it as you draft it, do so and follow any additional instructions it may have related to drafting it. However, if a card you remove instructs you to draft it face up, it has no effect while face up and can’t be turned face down to use an ability.

2016-08-23 : Some cards allow you to exile other cards you’ve drafted that aren’t in your deck before the game starts. Cards you removed from the draft with Animus of Predation can’t be exiled this way because they aren’t in your card pool.

2016-08-23 : The last ability of Animus of Predation functions only if Animus of Predation is on the battlefield. For example, Animus of Predation is not a creature card with flying in your library or graveyard.

2016-08-23 : You can remove from the draft any card you draft after Animus of Predation.

2020-01-24 : If one of those creature cards has one or more variants of the listed keywords (for example, hexproof from white), this creature gains those specific variants.