mtg manifest cards o:manifest · Scryfall Magic: The Gathering Search Whenever Umbris or another Nightmare or Horror you control enters Manifest Token | Duskmourn: House

Yes, see the Combos section above for the infinite combos this archetype can assemble

allows you to play more than one land a turn

As a reminder, Jumpstart is a product intended literally jumpstart quick games, by smashing up multiple thematic boosters: Angels and Dogs, Rogues and Pirates, that sort of thing

These group slug commanders can have abilities related to dealing direct damage, forcing players to discard cards from their hand, or making them sacrifice permanents

Wow, power creep

To summarise the combo: Cast Threefold Thunderhulk, which makes you three gnome tokens Copy it with Saheeli, Radiant Creator, which makes 8 more gnomes tokens As the copy of Threefold Thunderhulk's base power and toughness is now 5/5 and enters with three additional +1/+1 counters Attack with Threefold Thunderhulk and make another 8 gnome tokens You would be left with the original Threefold Thunderhulk as a 3/3 and nineteen 1/1 gnome tokens There is a little bonus to the Threefold Thunderhulk, as it has one more ability