While part of this is tied to the fact that paying 3 mana for a 0/1 creature isnt exactly great, the fact that you have to turn a blue mana into 3 colorless mana rather than just getting the extra 2 mana outright is a subtle, yet key difference in how these cards operate
Lightning, Lone Commando, and Cloud Strife
A perennial empty hand in EDH is tantamount to a death sentence because it a) signals to your opponents you have no response to the moves they make, and b) means you have no response to the moves they make
You need to be able to add more characters to the board and overwhelm them with numbers, so your goal should be to play as many cards as you can and increase your inkwell each turn, at least until turn seven
Cloud of Darkness Exdeath, Void Warlock Jenova, Ancient Calamity Neo Exdeath, Dimension's End Ragnarok, Divine Deliverance
Ramp decks are another great option for newer players thanks to their straightforward gameplan