These experience counters can be put to use for the cost of three mana in order to create a Spirit token whose power and toughness are equal to the number of experience counters on their controller
These are all pretty much sideboard tools and not things you want main
Notably all of these abilities work with any token, and because it's Baylen's ability not a tap effect given to the token, your creature tokens can be tapped immediately
Abilities that pump out multiple tokens scream sacrifice fodder to me, which is why Tevesh Szat, Doom of Fools is probably my partner of choice
With ward that taxes opponents removal by forcing them to pay 2 life, it sticks around to supercharge your board
Dark beings still linger at the edge, ready to offer their power to the Hellegion for a price: Skirsdag High Priest, Doom Whisperer, Overseer of the Damned, Spawn of Mayhem, and others