If a creature loses double strike after assigning damage in the first strike combat damage step (due to Boldwyr Aggressor leaving the battlefield, for example), that creature won't assign damage in the normal combat damage step
Its ability gives all Dragons on the field resistance to all effects, but at the time of the first term, when there were more removal spells that did not target thunderbolts, black holes, and earth cracks, this effect was beneficial
However, it costs a little over 1,000 yen and its performance is dependent on 'Yavimaya, Cradle of Growth,' which you can only run one of, so its priority is low
Let's do both
As a result, it releases all the evil into the world