There's Emberwild Captain again, who can deal a lot of damage to an opponent who has to swing at you with every creature they control while you're the monarch
Every staple you open during limited is one fewer staple you need to spend a wildcard on, which in turn frees up your wildcards to complete your deck or buy lower-tier Jumpstart: Historic Horizons cards you might want to play with for fun
If the rare or mythic rare has a retro frame, the common or uncommon does not and vice versa.) You can purchase Draft Boosters individually and in displays of 36 boosters
The +1 that gives you two mana is very good
As is often the case with restrictions like this, despite the more limited options, you'll still find plenty of powerful things to mess around with in the format, and the added restrictions and smaller card count actually make it a pretty good entry point into the world of Commander-esque formats
Mardu If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time