Cinderhaze Wretch

Discard-on-a-stick has a long lineage, but most of those creatures gave you one tap per turn and called it done. The wrinkle here is the second ability: spending toughness to untap means the discard is not gated by the once-per-turn cadence of the tap, it is gated by the body itself. Each extra trip to the well shaves a point off the 3/2, so the creature can strip a second card from a hand on the turn you commit to it, then quietly retire when the counters catch up. That self-cannibalizing clock is the real cost: the engine funds its own repeat activations out of its own durability, which makes it a finite resource rather than a renewable one. The "only during your turn" clause is the clamp that keeps it honest, ruling out hand attack in response to a draw step or an upkeep trigger and forcing the work onto your own clock. It reads as a control piece, but the design wants you to choose: hold it back as a slow, durable disruptor, or wring it dry in a single turn and accept that the 3/2 shrinks to a 2/1 in the process. The shrinking body and the untap together turn what could have been a one-shot tap-to-discard creature into something you spend down, not one you simply have on the battlefield.