UR Ultra Rare Relinquished Fusion X SPELL Quick-Play Fusion Summon 1 "Eyes Restrict" Fusion Monster from your Extra Deck, by banishing materials from your hand, field, and/or GY
One of the more interesting of the cards that let you run any number of copies of it in a deck, Persistent Petitioners is a mill-based version, with the hope that you can generate enough copies of them to mill your opponents out before anything else happens
Furthermore, the set is not very old, making it even more bizarre that this set comes with such an outrageous price point
Morphing Jar #2 The baby brother to Morphing Jar, this demon in a bottle can pack a punch in a mill deck
This works well for shelves, desks, and collector spaces