The goal of this team is to set up Toxic Spikes, get rid of any threats to Walrein, and then stall them to death.
At a glance:
Lead
Abomasnow @ Leftovers
Ability: Snow Warning
Evs: 252 HP / 252 SpD / 4 Def
Calm nature (+SpD, -Atk)
-Substitute
-Protect
-Leech Seed
-Blizzard
Abomasnow gets...