This is a fun build-around that doesn't paint a big red target on you right away
What affects the value of Emry, Lurker of the Loch

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We'll update this as more data comes in
Considering how tall some of these hydras grow on their own, theres nothing wrong with adding in some of your favorite ways to grant them abilities like flying, lifelink, and trample to really give your opponent fits
#146 Community Center - Trainer Stadium Once during each player's turn, if they played a Supporter card from their hand this turn, they may heal 10 damage from each of their Pokmon