If all you want is to find one card you can find it but the Vault offers something more by letting you preview what cards would come along with it, allowing players to plot out the next several turns of the game and see if the sequence being offered would get it done
You can read our other primers so far: Boros, Izzet, Golgari, Rakdos
This decks power lies not in the cards themselves but in the player who pilots them
1 | Mana Vault Price: $1028 Last, but obviously not least, we have Mana Vault, the most expensive MTG card printed in 2024
You could attempt to respond to a draw spell before it resolves, and you can use graveyard hate in anticipation of dredging, but there's little you could do about an opponent dredging during their draw step when they draw their card for turn
It is also important to me to have a nice lore in the deck to be able to tell a little story to the opponent during the games