First, since players already start with 40 life, the life of the Archenemy is increased to 60, and the opposing team shares a 60-life starting total
The Orzhov Syndicate are the mafia and church of Ravnica (yeah, you read that right!)
Circle of Life taps into the Sing Together mechanic, so its 8-ink cost can be circumvented, especially with help from a willing teammate
This effect also exists on Arena, but Cliffs taps for mana, which is the difference between unplayable and incredibly useful
Jill, Shiva's Dominant A decent enough tempo creature on her face, Jill bounces a nonland permanent, and eventually transforms into Shiva, Warden of Ice to let you get creatures through and disrupt your opponent some
In Jumpstart all the hard work of making a viable deck is done for you