With seven cards in the SIR line, TCGPlayer states that there is a one in 32 chance of finding one of these cards, although that number jumps to one in 225 if searching for a specific one, such as this Giovanni's Charisma card number 204/165
My goal is not to fault you for playing those cards - I just feel the broader EDH format as a whole is becoming quite solved, in part by people turning to net-decking or using automatic online suggestion tools too often
Eowyn, Shieldmaiden lets you build an army of token creatures with trample and haste, and turn those into card advantage, while also being a 5/4 with first strike in her own right
Dark Ritual [Explosive Mana Acceleration] Dark Ritual is the purest example of black trading stability for speed
Although a bit expensive, Bennie Bracks is an incredibly synergistic addition to this deck
This mischievous little monkey hands out Banana tokens to everyone, which not only adds some fun to the game, but also provides mana and life gain