The One Ring, which Frodo carries from The Shire to the fires of Mount Doom, will appear in full glory on its own card, and its appropriately powerful
That will kill anything from Mulldrifter to Flametongue Kavu to Esper Sentinel
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2020-11-10 Although the ninjutsu ability has the creature enter the battlefield attacking, it was never declared as an attacking creature (for the purposes of abilities that trigger whenever a creature attacks, for example)
While he can certainly perform admirably within the context of this precon, I believe that youll probably get more mileage out of this deck by replacing Szarekh, the Silent King with one of the other commanders if you plan to upgrade this deck to play in higher power tables