Jokes aside, youre probably running both if you want the effect at least if youre not building a Vorthos-leaning build
Umezawa's Jitte, Walking Ballista, Consul Flagship and the various colourless options are hardly cheap or mana efficient ways of doing what Arc Trail does
With enough lands in play, control decks can play proactively and reactively at the same time
The lower to the ground your deck is the better Jitte becomes but I would only want it ever as a hedge card against weenie aggressive decks
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With his high stats, hes great for taking out smaller characters and surviving