If the player uses Max Elixir, the number of Dark energies in play can be as high as 8-9, allowing the player to deal 180 damage on the very first turn, which is borderline broken.
The artifact's effect is quite simple, allowing you to receive two colorless mana when tapped it's not the most groundbreaking ability, but it can be a nice bonus when building a deck focused on artifacts
As its relatively easy to get cards into play thanks to Sapphires ramp-up capabilities, you can shoot off a Steal from the Rich and quest a bunch of characters to really mess with your opponents Lore
(Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.) Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls
Since its initial printing, it has been printed on individual cards from a few sets, but never as a major set mechanic outside Guilds of Ravnica