I'm a big fan of cards that have to be dealt with, and this falls into that category
The options available are Amber/Amethyst, Ruby/Emerald, and Sapphire/Steel, all containing 60 pre-selected cards of the appropriate pairing that cover the essentials while including a few power players
When picking between formats, archetypes, and individual deck construction, theres no end of decisions to be made
This means players can still put up a fight against decks where interacting on the stack is important, but this deck is more vulnerable in matchups where leaning on speed alone is more important
Alrund's Epiphany also has foretell, which is a mechanic that allows you to pay two mana to put it into exile and makes it cost only six mana in a later turn