He is the world's richest person, frugal by nature to maintain his billions, but will head out on adventures as he seeks more money and treasure
Blue will bring the ability to draw enough cards to keep going and return annoying permanents to your opponents hands, black brings with it graveyard tutors and the ability to return permanents from your graveyard to the battlefield and green gives us removal pieces to deal with some common graveyard hate effects, plus some of the heaviest hitters in the format that are worth reanimating
it's also the only way to remove permanents with the indestructible ability, for example
But it's his ability that really makes this card shine
Ultimately this is not a very efficient way to get two bodies but it is more punchy than the cheaper alternatives
As a result, we have to play lots of basics and ways to find them, none of which are green