This new instance of the Jumpstart event doesnt just bring themed packs to build a deck like the previous edition
Then I also tossed in Rogue's Passage for unblockable with The Wandering Rescuer and more
At the very least the enchanted creature cant attack you, so youre free to enchant the biggest, baddest creature on board
There might a non-black infect deck that can thrive, probably a slower U/G build focusing on cards like Blight Mamba, and the infect token generators with proliferate to increase the value of the -1/-1 counters
I'm not against using it to self mill to get a win with Jace, which sounds like it'd be a VERY good win con combined with Archmage Emeritus, Thousand-Year Storm and Veyran, Voice of Duality, or to fill the graveyard for me to cheat something out with Narset, but I wouldn't really consider that ideal in that circumstance because the ideal situation (in my mind, at least) is I'm using Narset to cast something twice