It is the 9th Core Booster of Series 11, following Dimension Force
Whimsicott EX 005/086 - White Flare Sluttid00:36
All to say, I think this strategy will scale up for Commander if it already hasnt started infesting local metagames
On Magic 2015 and later cards, you can find the set code and language in the bottom left underneath the collector number, as well as a rarity indicator: C for common, U for uncommon, R for rare, and M for mythic rare

2025-04-15 23:45:09 + 1Amplifier+ 1Dark Energy+ 1Mechanicalchaser+ 1Beast of Talwar+ 1Pre-Preparation of Rites+ 1Grand Tiki Elder+ 1Wall of Illusion+ 1Opticlops+ 1Night Assailant+ 1The Mask of Remnants+ 1Senju of the Thousand Hands+ 1Fiend's Sanctuary+ 1Sangan+ 1Hammer Shot+ 1Darklight+ 1Ritual Raven+ 1The Puppet Magic of Dark Ruler+ 1Strike Ninja+ 1Bark of Dark Ruler+ 1Dark Smog+ 1Memory Crusher+ 1Labrynth Archfiend+ 1Dark Scorpion - Gorg the Strong+ 1Masked Beast Des Gardius+ 1The Masked Beast+ 1Archfiend of Gilfer+ 1Ancient Lamp+ 1Shrink+ 1Darklord Marie+ 1Mask of Weakness+ 1Skilled Red Magician+ 1Statue of the Wicked+ 1The Fiend Megacyber+ 1Psychic Shockwave+ 1Dark Scorpion - Meanae the Thorn+ 1Memory Crush King+ 1Soul Demolition+ 1Don Zaloog+ 2Jinzo+ 1Widespread Ruin+ 1Broww, Huntsman of Dark World+ 1Mask of Brutality+ 1Melchid the Four-Face Beast+ 1Crass Clown+ 1Curse of the Masked Beast+ 3La Jinn the Mystical Genie of the Lamp Deck Breakdown Archetype and card type distribution for this list

Her Japanese name Datenshi () is a pun to Datenshi (), which is the Japanese name for the Darklord archtype