all the basic equipment, the newer ones don't have enough defense cards, and me personally I don't want to focus on the element factors like poison or burning all that much, but that's just me.
I used the Beginner's Wand, Healer's Cloak, and Sturdy Brooch.
My strategy was using a small deck, and trying to have the Petrificus spell in my hand at least every other turn. Petrificus + small deck is a cheesey combo, but it works