Ocean drake breaks champions with both in-combat sustain and mana dependancy once they get it
Prime example 
, others 
, 
, probably 
if he gets buffed to viability ever again.
It's fine for the buff to be strong, I generally like new drakes very much, but the condition to keep game competitive with such important objective being random is if both teams always benefit. Other 3 drakes fit this criterion, but Ocean is noticeably stronger on some champs, especially on , even more so when paired with 
.
Let me stress - this is not rant on state of those champions or ocean drake in general. It's about randomness, especially in competitive: Maki's team will gain great advantage if Ocean drake spawns early - enemy team will need to deny this drake from them, or face high probability of defeat while they gain much less benefit from it.
, who don't benefit from any part of buff really.
