Scryfall lists 55, and while that is more than enough for a playable, on-theme deck, it does include some outdated and outclassed cards
We realized that chroma kind of mechanically did what we wanted, but its failure gave us pause
That said, they are independent from Wizards of the Coast, which has the potential to cause some tension between the two
Bounce lands also enter the battlefield tapped, so you can't use them the same turn they are played
The decklist includes a ton of cards with enter the battlefield triggers as well as ones with powerful passive and triggered abilities
You could also make use of the graveyard recursion mechanic to return useful cards from graveyards to the battlefield, your hand or the top of your library, effectively giving you more card options