What if explosion and self destruct were never nerfed in gen 5? What pokemon would benefit from a stronger explosion or self destruct?

So if anyone does not know about the explosion and self destruct nerf that happened in gen 5 i will tell you what it was. So in generation 2-4 explosion was 250 base power, and self destruct was 200 base power but, they had the secondary effect of halving the opponents defense effectively doubling there base power so explosion was 500 base power, and self destruct was 400 base power. The only generation with a different explosion and self destruct was in generation 1 where it had the defense halving effect but the moves base power was weaker explosion was 170 base power effectively 340, and self destruct was 130 base power effectively 260. As we all know good things cannot last so in generation 5 and beyond explosion and self destruct lost the defense halving effect making them 250 base power and 200 base power not 500 and 400 base power. Since then these moves have barely seen ever used competitively only really seen on hazard setting leads.