Well, almost everything (at least in this battlebox). Decisions is the name of the game here, with most cards asking you to make a choice in how you want to play your card in hand and a few having you make choices after damage or upon creature death.
Starting Life: 20
Starting Hand: 4 (no mulligans)
Starting Lands:
5 Pathway lands (enemy or allied)
5 Surveil lands (enemy or allied, opposite of the provided pathways)