Gladiator Beast Attorix (MP20-EN156)

If this card is Special Summoned by the effect of a "Gladiator Beast" monster: You can send 1 "Gladiator Beast" monster from your Deck or Extra Deck to the GY, except "Gladiator Beast Attorix"; until the End Phase, this card's Level and name become the same as that monster sent to the GY. At the end of the Battle Phase, if this card battled: You can shuffle it into the Deck; Special Summon 1 "Gladiator Beast" monster from your Deck, except "Gladiator Beast Attorix".

Beast-Warrior / Effect, 2020 Tin of Lost Memories