It went from a 100% chance to get 1 token combined with a random (very low) chance to get extra tokens
to
100% chance on turn-in to get 1-9/20 tokens with a random (probably low) chance to get 50 extra tokens.
"Rewards:
300 Gold
300 Exp
You may also receive, at random:
Legion Token x50
You will also receive one of the following items:
Legion Token
Legion Token x2
Legion Token x3
Legion Token x5
Legion SoulSeeker
Legion Token x20
Legion Token x4
Legion Token x6
Legion Token x7
Legion Token x8
Legion Token x9" - Wikidot
With some good luck you might get 70 tokens in one turn-in.
Edit: 100th post