As for the cards in this set, you can find a glut of pretty wonderful cards that revolve, if a bit loosely, around graveyard mechanics
3.0) Previously, card text that referred to placing cards from hand in security, decks, and other hidden areas, if referring to specific colors or types of cards (such as "a [X] card"), read "Reveal 1 [X] card from your hand and place it at the bottom of your security stack." However, this text has been shortened to read "Place 1 [X] card from your hand at the bottom of your security stack." Rules behavior for these effects is otherwise unchanged, and if the effect requires a card of a specific color or type, reveal the card to your opponent before placing it in the security stack or deck
However, Braids's controller can benefit more from such an ability by constructing a deck to plan accordingly for this ability and always get the optimal value out of the effect, directly playing cards like the infamous Blightsteel Colossus and Eldrazi titans for free
Catching you up against fast opponents or going over the top in the late game are both common functions of this creature, and it enters unfair territory when you scam it with blink or Supernatural Stamina effects