To get an idea of how your mana curve looks, you must first count the number of total cards in your deck to organize them by mana value
If Havi loses indestructible (probably because one or more historic cards in your graveyard left your graveyard) after having been dealt lethal damage earlier in the turn, it will die
So rather than give you a decklist that is going to be similar to Roon (and that article is coming soon enough), I thought I would go after my feeling that all of these cards are from the same set
Life Gain and Synergies Most of my Soul Sisters are obvious like Soul Warden and Essence Warden, but I also tossed in Ajani's Welcome
Make sure you're matching the sleeves of the other cards in that zone, if any
On MagicFests side, check out this promo video from the Toronto event at the beginning of the year: Theres also Vanguard character cards, which are oversized at about 3.5x5 and are used in the format of the same name