There’s also always the question of HOW you trade (when you have multiple options). E.g., if you trade vs warrior on turn4, you may want to leave bigger minions on board instead of many small ones (e.g., it’s better to get worse value by losing 2 3/2’s and retain a 4/4 than losing the 4/4 and retain 2 3/2’s (unless your only win condition is gambling that opponent can’t remove it)). On the other hand, if you trade vs rogue, you want to leave as many minions as possible always (as long as they run no aoe at all).
Sometimes you want to hatch your deathrattles, sometimes you may want to keep them even if that costs you tempo (as insurance vs aoe).
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