As it is very hard to overcome Jund with tempo, it is critical to go for the value
Magic The Gathering Card Game - Ravnica: City Of Guilds Booster Pack - 15C
Vanquisher's Banner is a colorless artifact that gives a chosen creature type +1/+1 and lets you draw a card whenever that type is cast, while Bloodline Pretender is a changeling (and therefore an Illusion) that gets bigger bigger the more other Illusions enter
When done right, decks like Grolnok, the Omnivore can turn your graveyard and exile into super-safe extensions of your hand, allowing you to keep numerous good cards for the best times in hard-to-reach places, creating a welcome and competitive card advantage
Underrated: The Long Reach of Night I'm a bit cooled on this card after realizing how weird the text is, but it still hits on recurrable value and good types
For example, "Lotus Bloom" was effectively a "Black Lotus" that couldn't be cast from hand without suspending it