Alongside the Vineling theme, Set 13 confirms several other new Shift variants worth targeting singles for: Temporary Shift, a keyword that lets a character shift onto a same-named card for reduced cost and bounce back to hand at end of turn with damage cleared (showcased by Turning Red's Ming Lee, Giant Red Panda and Meilin Lee, Popular Red Panda)
If you have multiple Ravagers you can do some cool spreading where you end up with several counters on one, modular those over to a creature on sacrifice, then move the other Ravagers counters over to a different creature to make multiple large threats
Granting infect to non-toxic creatures can turn your Pack Rats and others into huge threats, so Glistening Oil and its common sibling Phyresis can be slapped onto just about any creature in this deck for great effect, but the bigger the better
Eggs are combo decks that cycle zero- to one-mana artifacts (such as Lotus PetalLotus Petal or Mishra's BaubleMishra's Bauble) for incremental value, and close out game with cards like Reckless FireweaverReckless Fireweaver or Disciple of the VaultDisciple of the Vault
A staple in several precon commander decks, Ash Barrens is a landcycling card that allows you to tutor a basic land card
Then do it again.) Legendary Creature - Human Mutant Proliferater (CTRL to add secondary) Ramp Expand the Sphere Look at the top six cards of your library
