It's unreliable, luck-based, and easy to sideboard against in BO3 matches
And while you can fill the gaps in your Archer tribal deck with cards like Adaptive Automaton and Coat of Arms, as well as perhaps a way to search up your Doyen, at that point you could basically be any tribal deck
This is also why Wrenn and Six fit naturally into strategies built around multiple planeswalker commanders, where protecting incremental advantage engines matters more than winning quickly
Though Valiant Protector's ultimate ability (which provides a creature with +1/+1 counters equal to your life total and trample) could reliably close out a game, the fact that it requires a staggering eleven loyalty to activate makes the chances of it being used rather slim
Make your deck more competitive at a reasonable price
Bristly Bill, Spine Sower + Scythecat Cub Bristly Bill, Spine Sower and Scythecat Cub are exceptionally dangerous creatures that come down early and make themselvesor other creaturesinto serious threats, especially when paired with fetch lands