Card types (such as artifact) and supertypes (such as legendary) can't be chosen
That fear-induced state of disorientation is represented by the delirium ability word, which identifies abilities that require four or more card types among the cards in your graveyard
My main complaint from a design aspect is the bonus sheet, of all things
There are combo decks that are more like solitaire than Yu-Gi-Oh, with card after card after card
We'd start with an Ulamog set, then have a Kozilek set, and then end with a set with the biggest, baddest titan of them all, Emrakul
I believe this is partly down to the fact that PSA did not initially recognise this as a seperate print run so a lot of the earlier graded cards slipped through as unlimited base set