Shore is counter productive on a Rex lead team since he blocks crits and the team won't receive TM. I would consider using STHan or Sun Fac if you have either of them.
It probably won't do well against double or triple cleanse teams. If your Boba and TFP are really fast, you should do reasonably fair in arena.
Shore isn't ideal with Rex but he's still a better with Rex than most tanks. In the first round, he starts off taunting. Enemy team usually Aoe's you gain tm. Rex puts tenacity up.... A ton of tm. Any debuffs gone (except ability block on rex) You start as if you had a lot more speed than you do. The first turn or two is usually the most important.
Then shore taunts.... And you're not getting critically hit and everyone heals. So your either getting tm, or not being critically hit. With a good speed boost early game.
Not nearly as counterproductive as it sounds on paper. Obviously, Chaze has better synergy with Rex.
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It probably won't do well against double or triple cleanse teams. If your Boba and TFP are really fast, you should do reasonably fair in arena.
Then shore taunts.... And you're not getting critically hit and everyone heals. So your either getting tm, or not being critically hit. With a good speed boost early game.
Not nearly as counterproductive as it sounds on paper. Obviously, Chaze has better synergy with Rex.