It's flashback humour he is using. nimbo is known for making troll posts about how OP certain heroes are including Huskar and Zeus among others, so now he needs wins to move up the MMR and this fellow is suggesting to use the heroes Nimbo feels are OP to get an advantage.
Though it's sad that I got this reference and clearly indicates I am here way too often.
It is not things, but opinions about things that have absolutely no existence, which have so deranged mankind! - Nietzsche