Top ten mega evolutions
None
>>26393859
Top Ten Juiced Up Coaches AND Top Ten Juiced Up Players
>>26393859
Competitive (judging on their usability + how much they improved upon the original Pokemon)
10. Mega Manectric
9. Mega Metagross
8. Mega Sableye
7. Mega Altaria
6. Mega Charizard X/Y
5. Mega Mawile
4. Mega Salamence
3. Mega Kangaskhan
2. Primal Groudon
1. Mega Rayquaza
Design
10. Mega Swampert
9. Mega Charizard (both)
8. Mega Alakazam
7. Mega Lati@s
6. Mega Kangaskhan
5. Mega Blaziken
4. Mega Sceptile
3. Mega Mawile
2. Mega Salamence
1. Mega Manectric (possibly my favorite electric type of all time)
tl;dr gen 1 and gen 3 Pokemon received the best Megasas it should be
>>26393859