What hero are you picking? Which lane are you going to, and how confident are you about winning this match? By the way, you cannot tell the others about the prize money. In fact, you cannot talk or write at all; you are only allowed to use pings and the chatwheel.
Bonus: What would you do with the money?
Clock, i have around 60% win rate with him on pos4, riki around 68% or night stalker around 64%. Is all about stats here and luck that you wont get griefers in team.