Jhoira, Ageless Innovator

The prior Jhoira designs cheated on cards; this one cheats artifacts into play, and the counter mechanic turns her into a ramp curve you build over turns rather than a single burst. The first tap does nothing but load her: two ingenuity counters and permission to drop a two-drop artifact from hand. But the counters accumulate, so the second activation reaches four, the third reaches six, and the ceiling climbs every turn she survives untapped. That escalation is what separates her from a flat artifact-cheat effect: she is not a reusable put-it-into-play button at a fixed cost, she is an engine whose output grows as long as you protect the body and keep artifacts in hand to feed her. The 2/3 frame is deliberately unthreatening, which cuts both ways: cheap enough to land on turn two and start counting, fragile enough that the whole plan folds to a single removal spell before the counters get interesting. She rewards patience the way a slow-rolling mana rock does, front-loading investment for a payoff that arrives a few turns later. The tension the design leaves open is the gap between her mana value ceiling and her speed: X grows without bound, but only two at a time, so the biggest artifacts in your deck are always one activation further away than you want them to be.