It's Go Time in ARAM Mayhem

Silver

Activating your chosen ability grants you 0.25-0.45 (by level) Movement Speed for its duration.

Best champions for It's Go Time

Tier 19

NasusYunaraSettBlitzcrankTristanaWarwickAsheZeriMaster Yi

Tier 29

RenektonXayahDr. MundoAatroxRivenMiss FortuneSivirTwitchGaren

Tier 35

VayneKog'MawJaxOlafNilah

Tier 46

TeemoDravenMalphiteKha'ZixPoppyTryndamere