We say grindy when we want to describe a deck that tends to pick up small advantages over the long term
These were Ogerpon - which can swap between four forms depending on the mask it's wearing - and its opposing numbers Okidogi , Munkidori , and Fezandipiti , the so-called Loyal Three
You already have a few effects like Elesh Norn, Mother of Machiness in this deck, so you can replace this pricey card with an inexpensive tutor to help find one of the others
If you really want to lean into the mill plan, Rings of Brighthearth will copy Persistent Petitioners ability for a small mana investment every time
New Legends for a Noble Victory
I understand how unfair and OP it has the potential to be, but it wasn't as straightforward as the other cards that made the cut