Humans are represented in all the colors of Magic: The Gathering and because of this there's a lot of flexibility in playstyle
The main goal of the deck is to cast High Tide with a lot of Islands on the board and use that big mana boost to tutor up combo pieces and win the game in one shot with infinite Storm
Unless youre specifically dabbling in very high-end cards lets say $1,000+ youll likely need to acquire dozens of cards at a lower price point to generate meaningful income
Split cards have historically had the issue of being too over-costed to offset the benefits of choice, and they almost always failed to be excellent early plays by design
Myr Welder on the battlefield with Sol Ring and Staff of Domination imprinted on it can start a combo where you can get infinite card draw, infinite colorless mana, and even infinite lifegain
The most common strategy for fighting discard later in the game is to either play everything all the time, which some decks have the ability to do, or to hold land in your hand to shield you