It's simple and effective
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Stupefying Touch: Activated abilities contain a colon
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The Agent of Force - Mars X LIGHT Level 3 [ FairyEffect ] ATK 0 DEF 0 Unaffected by Spell Cards or effects
Den Protector is fine to good filler depending on your deck
Like the classic M11/M12 titans, it triggers on ETB and on attack, so you can get a lot of mileage out of this card