A lot of Equipment costs four or more mana, and often creates a token when they enter the battlefield
There's enough incidental life gain and legendary creatures in the set for her to work reasonably well, but she's not going to be super powerful since life gain is more of a sub-theme than anything and her stats are bad
You can see the hint of a Deranged Hermit in the Thelonite Hermit, save you are swapping morph for echo
Whichever synergy pieces you go for, damage doublers like Collective Inferno will help this ability go even further
They are alternate art versions of cards in the main set, they have no borders, a special rainbow foil treatment, and a special rarity symbol
Weaknesses to Be Aware Of The main weakness you have with this deck is the limited removal