Whenever a Samurai or Warrior you control attacks alone, you may cast target enchantment card from your graveyard this turn.
Norika is a mono-white Samurai/Warrior aggro-Voltron commander who turns combat into enchantment recursion. Deploy efficient Samurai and Warriors early, then send one creature in alone (often Norika or a suited-up beater) to recast Auras, Equipment-like enchantments, and powerful enchantment payoffs out of your graveyard. You grind value by repeatedly looping cheap protective and pump Auras while chipping in for lethal commander or wide attacks.
Built-in card advantage that recurs enchantments from the graveyard every turn you attack alone
Vigilance lets her attack alone and still hold back as a blocker
Mono-white consistency and access to strong cheap creatures, anthems, and protection
Auras like protection/hexproof effects synergize perfectly since you can re-buy them after removal
Trigger requires attacking ALONE, which conflicts with go-wide token strategies
Relies on enchantments hitting the graveyard, so it can be slow to get online
Mono-white's traditional weakness to card draw and ramp
Vulnerable to board wipes and to spot removal on Norika before she connects
Single-creature attacks are easy to chump-block or fog
Lets your lone attacker deal damage then pull back, abusing the attack-alone trigger safely.
Lean into hexproof/protection Auras (Shield of the Oversoul, Spirit Mantle, Snake Umbra) so your lone attacker is nearly unblockable and unkillable, then use Norika to rebuy them after the rare removal. Add enchantress draw engines (Sram, Setessan Champion, Mesa Enchantress) and cheap evasion to make combat reliable. Top-end upgrades include Sword-like protection, Smothering Tithe and Land Tax for white ramp, and a stax piece or two to slow faster combo decks.