If you manage to combine your Montunui Island Paradise Location with Reckless Questers like Maui Soaring Demigod, you can ramp your Inkwell, but there are few top-end threats to capitalize with
The best discard commanders are the ones that turn it into something beneficial, although its not always just you or your opponent whos throwing away their hand
Does your deck reliably manipulate the top of its library (via draw, Scry, Surveil, or some other method) to help smooth your draws so you hit the Lands and other mana sources you need
You also want to make sure that your gameplan can still operate while it's in play
Historical Moment : Infamous for a tournament instance where a player tore the card to bits, scattering it over the opponents field, leading to disqualification
An Expected Upset When Festival in a Box sells out, many MTG players will be left disappointed