Overview:

This Dimir deck helmed by Tasha, the Witch Queen revolves around spell theft, Faerie tribal synergies, and planeswalker manipulation. The primary strategy leverages Tasha's ability to create Demon tokens when casting opponents' spells (via cards like Memory Plunder, Talent of the Telepath, and Chaos Wand), while supporting Faeries benefit from casting on opponents' turns (e.g., Alela, Cunning Conqueror, Obyra, Dreaming Duelist). Proliferate effects (Inexorable Tide, Drown in Ichor) accelerate Tasha's loyalty and token production. Win conditions include overwhelming aerial combat with buffed Faeries/Demons, recurring high-impact stolen spells, and planeswalker ultimates enabled by proliferate or The Chain Veil. Tasha is essential as the engine for token generation and spell recursion, though the deck can function temporarily without her.

Primer:

Core Strategy Execution:

1. Early Setup (Turns 1-4): Deploy mana rocks (Sol Ring, Arcane Signet), flash enablers (Leyline of Anticipation, Naiad of Hidden Coves), and early Faeries (Tegwyll, Duke of Splendor, Faerie Bladecrafter). Hold up interaction like Didn't Say Please or Spell Stutter.
2. Mid-Game Theft/Value (Turns 5-7): Cast Tasha and activate her +1 to exile opponents' spells. Use theft effects (Hostage Taker, Gonti, Night Minister, Wizard's Spellbook) to generate Demons and fuel Tasha's -3. Deploy key engines like Kindred Discovery (naming Faerie) or Intruder Alarm for token synergy.
3. Win Condition Execution (Turns 7+):
   • Combat: Overwhelm with flying Faeries/Demons boosted by Glen Elendra Liege or Tegwyll, Duke of Splendor, leveraging Propaganda for defense.
   • Spell Recursion: Cast game-winning exiled spells via Tasha's -3 or Halo Forager.
   • Planeswalker Ultimates: Proliferate Tasha/Ashiok, Nightmare Muse to unleash their -7 abilities. Ichormoon Gauntlet enables extra turns.
   • Combo: Intruder Alarm + token generators (e.g., Tasha/Obyra) creates infinite untaps for mana dorks or Faerie Artisans triggers.

Mulligan Priorities:

• Keep hands with 3+ lands (including duals like Sunken Hollow), 1-2 ramp pieces, and at least one early interaction/theft card.
• Prioritize hands with Tasha enablers: flash (Leyline of Anticipation), theft (Memory Plunder), or Faerie payoffs (Obyra, Dreaming Duelist).
• Avoid hands lacking early plays or reliant solely on high-CMC spells.

Key Tips:

• Maximize Opponents' Turns: Cast instants/flash creatures (e.g., Nymris, Oona's Trickster) to trigger Tasha/Alela/Obyra on each opponent's turn.
• Proliferate Wisely: Target Tasha's loyalty, +1/+1 counters on Faeries, or stun counters from Freeze in Place.
• Protect Tasha: Use Swiftfoot Boots, counterspells, or Narset's Reversal to shield her. Sacrifice tokens to Brine Shaman for disruption.
• Leverage Graveyards: Halo Forager and Lively Dirge recur key spells. Opposition Agent punishes tutors.

Weaknesses:

Critical

• Severe vulnerability to board wipes (Tegwyll's Scouring is self-sacrifice), crippling token-based strategies and planeswalker defense.
• Heavy reliance on opponents' spells makes the deck inconsistent against creature-heavy or low-interaction decks.
• Drannith Magistrate/Opposition Agent completely shuts down theft and Tasha's -3 ability.

Moderate

• Graveyard hate (Rest in Peace) disrupts recursion from Halo Forager, Memory Plunder, and Tasha's page counters.
• Anti-flying tech (Insurrection, Windstorm) bypasses Faerie defenses.
• Mana constraints due to high average CMC and limited ramp; struggles to recast Tasha multiple times.

Minor

• Limited artifact/enchantment removal risks being locked out by cards like Cursed Totem.
• Rule of Law effects slow down the multi-spell-per-turn synergy.

Most Important Cards:

• Intruder Alarm (Combo enabler, untaps Faeries for multiple triggers)
• Kindred Discovery (Draw engine with Faerie tokens)
• Opposition Agent (Disrupts tutors, steals resources)
• Ichormoon Gauntlet (Accelerates planeswalker ults, enables extra turns)
• Memory Plunder (Theft synergy, fuels Tasha)
• Tasha, the Witch Queen (Token generation, spell recursion)
• Alela, Cunning Conqueror (Flash threat, token generation)
• Halo Forager (Recurs key instants/sorceries)
• Obyra, Dreaming Duelist (Faerie payoff, life drain)
• Propaganda (Stalls combat, protects planeswalkers)

Attribute Ratings:

Speed: 5/10

• Wins typically occur around turns 8-10 via combat or recurring high-impact spells, slowed by setup reliance on opponents' resources.

Resilience: 4/10

• Limited protection and slow recovery from board wipes; theft effects provide adaptability but depend on opponent decks.

Consistency: 5/10

• Moderate draw and selective tutors (Insatiable Avarice), but theft strategy inherently variable. Faerie tribal elements add stability.

Interaction: 7/10

• Strong suite of counterspells (Didn't Say Please), removal (Rankle's Prank), and disruptive creatures (Notion Thief), though lacks mass artifact/enchantment removal.

Rating Justification:

The deck demonstrates a focused casual strategy with optimized interaction and synergistic theft mechanics, capable of T8-10 wins through combat or spell recursion. However, its reliance on opponents' spells and vulnerability to board wipes caps its resilience, preventing higher optimization tiers.

Power level: 4.5 - 5.0