Gladiator Rejection (MP20-EN186) [2020 Tin of Lost Memories]

Your opponent cannot target "Gladiator Beast" monsters you control with card effects, except during the Battle Phase. If a "Gladiator Beast" monster(s) is Special Summoned from your Main Deck (except during the Damage Step): You can Special Summon 1 "Gladiator Beast" monster from your Deck with a different Type from the monsters you control, in Defense Position. You can only use this effect of "Gladiator Rejection" once per turn.