cards like training grounds mtg Agatha of the Vile Cauldron (foil) - Wilds of Eldraine and conquest Training Grounds (Card) | EDHREC

Its all-around great value with this one

Scourge of the Throne - Get multiple combat steps

While cEDH primers tend to be quite long, they dont have to be the same for casual decks

This Town Aint Big Enough If you cast This Town Ain't Big Enough with its cost reduction ability, you get the best Peel from Reality variant because it hits any nonland permanent

Ruthless Technomancer is a nice companion card if you enjoy noodling around in the graveyard, and though Revel in Riches and Black Market are hugely popular, they paint a massive target on your back and often end up less impactful than curving out with a creature and keeping on the pressure

The fact that the board can become rather full in Modern, Jace can often be out raced before he even hits the board which is the main reason Jace doesnt see more play