Jin-Gitaxias copies the first Instant, Sorcery, or Artifact spell which its controller casts on any turn, and automatically counters the first Instant, Sorcery, or Artifact any opponents cast each turn
One of those is people confuse the two
It reads, Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that players library, then put a creature card from among them onto the battlefield under your control. While mill isnt likely to be your main strategy in a deck filled with Demons, the exiling is definitely nice
Deck of Many Things A powerful enchanted item in D&D, the Deck of Many Things tempts you to draw cards for random magical effects
Cards like this are fine enough filler when you do have tutors and things but they are pretty essential, and in good number, when you don't