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At least you can play both in the same deck
Whereas Tera typing has mostly just meant Tera Pokemon cant be damaged on the bench, after this set decks that focus on Tera Pokemon will have some pretty powerful tools at their disposal
However...this is only three times as much mana as we could have gotten by using any other animated artifact or enchantment with Hanna, Ship's Navigator (since any of them can be sacced to Phyrexian Altar)...and probably less mana than we would get out of bouncing and recasting Doubling Season (assuming there are multiple Minion Reflectors in play, once we get to the second trigger we will most likely be putting much, much more than triple the permanents into the battlefield)
If you skew your deck towards creatures, cards that you want to run anyway -- like Vivien, Champion of the Wilds, Arlinn, the Pack's Hope, and Ranger Class, all top Werewolf support cards -- get even stronger