Make sure to have an Eternal Witness to return a target card from your graveyard to your hand
Costing only one white and one black, whenever he enters or leaves the battlefield, each of your opponents can either investigate (create a clue token), or lose one life
Naban, Dean of Iteration / Panharmonicon out, have Archaeomancer or similar creature, a flicker spell (for example Ghostly Flicker), Reality Shift and access to infinite mana: similar to the afromentioned Naru Meha Reality Shift line, we do the same but in this line we have two Archaeomancer (or similar) triggers, out of which one will return us Reality Shift back to our hand and the second will be a flicker spell, which we use to flicker the Archaeomancer to then produce two additional ETB triggers, returning both of the instants to our hand
Second, it was hard to find the right mix of support cards and level-up creatures
Elsewhere, you might gain the power to sap away your opponents lore, while moving your own score closer to winning