It's too good and broken, and I don't often run this in my decks since, like Rhystic Study, it can be a bit of a feel bad since you cannot outdraw it
It preserves the London mulligan in full for the first redraw, giving normal decks a better shot at keeping a closer hand, but starts to punish more aggressive mulligans
Mana Value relative to Exploit Spells Mana Value: 1 With good stats and an expensive and versatile Exploit ability, its facile to get strong value from Rakshasa Gravecaller
Unlike Bronze Tablet, the Amulet costs 0 to activate and doesn't enter tapped
Then, use Yuna, Hope of Spira or Abuelo's Awakening to cheat them into play on the cheap
First, we should identify any obvious cuts: cards that arent really a close fit for our theme, or which seem to not match our desired power level for multiplayer Commander