Spells and abilities that would cause a player to gain life or that would prevent damage still resolve, but the life-gain and damage-prevention parts have no effect
We have Aristocrats, self mill, Delirium (and others like Spell Mastery, Threshold) and flashback (and others like eternalize and disturb) Ogre could be interesting for all sorts of graveyard themes including reanimator and Delirium
We asked each artist to give us a nickname that we would put in quotation marks between their first and last name
However, Sneak Attack-ing in a card from your library is no joke, especially when you get the creature back into your hand rather than your graveyard
Fateseal N Fateseal basically lets you scry the top of your opponents library
How much play this will see once it rotates out of Standard remains to be seen, but as of now, it's one of the best adventure cards in MTG