Nardole, Resourceful Cyborg

Gameplan

Nardole is a mana battery that loads up on counters (via proliferate, undying recursion, and counter-doublers) and taps for huge amounts of blue mana to fuel noncreature spells—artifacts, big X-spells, and storm-style chains. As a Doctor's companion he's almost always paired with a blue Doctor (or a multicolor one), so build around an artifacts/spellslinger engine that ramps explosively off his activation. Stack counters early, then unload on a single turn with draw, artifact ramp, and a finisher.

Key Cards

• Doubling Season — Doubles the counters placed on Nardole, instantly multiplying his mana output.
• Hardened Scales — Cheap way to pile extra +1/+1 counters onto Nardole every time he gets one.
• Inexorable Tide — Proliferates on every spell cast, steadily ramping Nardole's counter count and mana.
• The Chain Veil — Lets you reactivate Nardole and other tap abilities for repeated huge mana bursts.
• Karn's Bastion — Repeatable proliferate from a land to grow Nardole and your mana reliably.
• Blue Sun's Zenith — A blue X-spell that drains Nardole's enormous mana into card draw and a mill kill.

Upgrade Path

Add fast counter accumulation (Hardened Scales, Branching Evolution, Doubling Season) plus repeatable proliferate to spike his mana ceiling quickly. Lean into untap and reuse effects like The Chain Veil or Thousand-Year Elixir, and pick a Doctor partner whose colors patch blue's removal and ramp gaps. Top-end payoffs—huge X draw spells, artifact combos, or extra-turn loops—convert the explosive mana into actual wins.