More issues with double strike.
Double strike vs deathtouch in a fight results in a creature with double strike always dying even if it kills it with first strike damage.
5
votes

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padrenurgle#28155 commented
Yes this happened to me too. 5/5 double strike (Old Growth Troll equipped with Leyline Axe) fought a 1/1 deathouch (Baleful Strix) using Bushwhack. Troll died on first touch.
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sparksfamilyvalues#95319 commented
Fights are creatures dealing noncombat damage to each other. Double strike is irrelevant in these, it only affects which combat damage steps the creature deals damage in.