Here the Challenge Code:
/challenge gen8anythinggoes @@@ Chimera 1v1 Rule, OHKO Clause, Species Clause, Evasion Moves Clause, Dynamax Clause, -Shedinja, -Huge Power, -Moody, -Neutralizing Gas, -Truant, -Eviolite, -Leek, -Light Ball, -Perish Song, -Transform, -Bolt Beak, -Disable, -Double Iron...