Legendary Creature — Human Wizard

Stenn, Paranoid Partisan

Mana value2EDHREC#7,434

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The Commander

As Stenn enters, choose a card type other than creature or land.

Spells you cast of the chosen type cost {1} less to cast.

{1} {W} {U} : Exile Stenn. Return it to the battlefield under its owner's control at the beginning of the next end step.

Guide

Gameplan

Stenn picks a non-creature, non-land card type (usually instant, sorcery, or enchantment) and shaves {1} off every spell of that type, letting you chain a low-curve UW control or spellslinger deck and snowball card advantage. You blink Stenn with its own ability to re-choose the type as the game shifts. Win by leveraging cheap interaction, card draw, and a token/enchantment engine to grind opponents out.

Strengths

Built-in cost reduction accelerates the entire deck and stacks with other reducers
Two mana, easy to recast, and self-protecting via the exile/return ability
Flexible: re-blink to change the chosen type for the current game state
UW gives access to the best counters, removal, and card-draw enchantments

Weaknesses

Reduction only applies to one chosen type, so multi-type decks waste value
Stenn does nothing offensively and provides no evasion or board presence
No inherent win condition—needs the 99 to actually close games
Vulnerable to fast aggro and combo since reduction is incremental, not explosive

Key Cards

Smothering Tithe — With enchantment chosen it costs less and snowballs the mana that fuels everything.
Rhystic Study — Cheaper enchantment-based card advantage engine that keeps your hand stocked with reduced spells.
Approach of the Second Sun — A clean sorcery win condition made easier to cast twice with sorcery selected.
Teferi, Time Raveler — Locks opponents out of instant-speed interaction while you resolve your reduced spells.
Dockside Extortionist — Generates explosive mana that, combined with Stenn's discount, enables big swing turns.

Upgrade Path

Commit hard to a single card type so Stenn's discount is always relevant, and pack mana rocks plus extra cost reducers (Helm of Awakening, Goblin Electromancer-style effects) to stack reductions. Add fast mana like Sol Ring, Mana Vault, and Dockside Extortionist, then a compact win package such as Approach of the Second Sun or an Aetherflux/Sentinel Tower combo. Prioritize cheap interaction (Swords to Plowshares, Swan Song, Fierce Guardianship) to protect your engine while you out-value the table.

Core Cards

The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.

Win Conditions

▸Approach of the Second Sun cast twice for the alternate win
▸Big mana payoffs like Aetherflux Reservoir or a finisher planeswalker ultimate
▸Grinding opponents out with card advantage and a token/enchantment army
▸Combo finishes (e.g., infinite mana into a draw/damage outlet)

Archetypes

Spellslinger — Choosing instant or sorcery turbo-charges a burst/draw-heavy spell deck.
Enchantress — Enchantment selection makes cheap value enchantments even cheaper for a build-up engine.
Control — Cheaper counters and removal let you hold up more answers each turn.
Combo — Discounted artifact or instant spells help assemble UW combos with surplus mana.