Referring to a character costing N ink as an N-drop, the dream is to achieve a curve with a one-drop on turn one, a two-drop on turn two, a three-drop on turn three, and so on before running out of cards
But Aclazotz is free and war threatens Ixalan once more
Life totals melt quickly, owing to the over-focus of modern creatures needing to attack or deal damage to trigger value based abilities
The combination of interaction and board presence provides tempo decks a bit of top-end that prevents their opponent from winning, allowing you to start turning the corner
So, instead, I think that what you're doing is thinking about how a 5-color graveyard deck should be constructed, and making suggestions based on that ideal
While having some folks always pick up the call, these days, often a fellow Magic art director is working with them on a work