Chakram Retriever [Battlebond Promos] Fungus Shaman Whenever a Clue you control

Whenever a Clue you control is put into a graveyard from the battlefield

Knight-Cathar

−8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere

or 65+ double-sleeved cards

Tail Feathers expands the Mice and Mystics universe

Chakram Retriever [Battlebond Promos] Fungus Shaman Whenever a Clue you controlSet: Battlebond Promos Type: Creature Elemental Hound Uncommon Cost: {4}{U} Partner with Chakram Slinger (When this creature enters the battlefield, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.