Wyverns

I can still understand playing defensively against the Tower.

O.o
(offtopic)What I can't understand is this!!! This is off-topic, so write in the Tower thread, and we'll discuss it there.
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In general, playing defensively isn't the best strategy... Losing rage by just waiting for your turn... Not gaining any... In short, it's clear.
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For example, against Necropolis, it's obvious who to take - Paoka, because poison doesn't affect them, and they are immune to blind.