Im going to keep this however, because Im weighing that risk with the upside of potentially Mana Draining into something sick like Demonic Tutor plus Mind Twist/Balance, or something of that ilk
Bitter Work
Badgermole Balduvian Conjurer Boiling Earth Brave the Wilds Clutch of Currents Cyclopean Giant Dai Li Indoctrination Disturbed Slumber Dreamwinder Earth Village Ruffians Earthbending Lesson Earthen Arms Elemental Uprising Floodchaser Hydroform Kukemssa Serpent Lifespark Spellbomb Mire's Malice Murasa Pixie Illusionist Rebellious Captives Rush of Ice Sandbenders' Storm Scaretiller Sheer Drop Silvanus's Invoker Streambed Aquitects Tawnos's Tinkering Vengeant Earth
For example, while it's in your graveyard, Frogmyr Enforcer is a colorless creature card with mana value 7
There are quite a lot more 4 and especially 3-cost items, although the cheaper you go, the less valuable his effect becomes
It features a broken and amnesiac Jace, having just been defeated by Nicol Bolas on Amonkhet, blindly planeswalking to Ixalan and being unable to planeswalk away