Learning all 18 types strengths and weaknesses can be overwhelming at once, so focus on identifying your main pokmon teams effectiveness first
Its pretty embarrassing against Eldrazi, but the hope is that Mindwrack Demon and discard effects can help push through there
Protecting Serra the Benevolent long enough to make the emblem and then playing something like Carnage Tyrant could end up being a pretty legitimate plan in the format
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Anti-Meta also has a great beatdown game plan because its Monsters are huge, often having 1900 ATK and while Skill Drain is active, you can use Beast King Barbaros effect to slam down the whopping 3000 ATK baddie
If Copy Catchers leaves the battlefield before its triggered ability resolves, the token will still enter the battlefield as a copy of Copy Catchers, using Copy Catchers's copiable values from when it was last on the battlefield