Disciple of Deceit

Transmute, decoupled. The discard-then-search reads like the transmute ability on cards such as Dimir Infiltrator, but where transmute locks the search to the spell's own printed cost, this untethers input from output: pitch any nonland card and dig for a different card sharing its mana value. The nonland clause carries more weight than it looks; you can't feed the engine excess lands, so every activation costs a real card from hand. The inspired trigger keys off untapping, not entering, and the body has no activated tap ability of its own, which means the only native way to charge it is combat: it has to attack, get tapped, then untap on your next turn to pay out a single swap per cycle. That is the design tension in a 1/3 that almost never trades up: it wants to swing into a board it can't profitably attack, so the engine stalls exactly when you most want it spinning. True flicker effects that exile and return it bring it back untapped and trigger nothing, so the synergy lives entirely with effects that tap and then untap it in place. Stack enough of those within a turn and it edges toward a repeatable tutor; without them it stays a patient grind that asks you to want a tutor badly enough to risk a fragile attacker every turn to fuel one.