Quantity, type, efficiency, and flexibility of interaction are all important topics that we'll explore further in a future article, but for now, I'd look to include eight to ten pieces of interaction, with at least two of them being wraths, and three to four each of offensive and defensive removal
Pestermite + Deceiver Exarch Two words: Splinter Twin
Her effect can make her larger as long as players are exiling nonland cards by providing some counters, but it also acts as a vehicle for all those leaves graveyard trigger this deck wants to have happen a little at a time
Combined with other cards that add to your inkwell, such as Gramma Tala and Mickey Mouse, Detective, or other lore-generating cards, you could be in with a deck that barely gives your opponent a chance to know what hit them