Gladiator Beast Laquari (RYMP-EN096) - Ra Yellow Mega Pack Unlimited

If this card was Special Summoned by the effect of a "Gladiator Beast" monster, its original ATK becomes 2100. At the end of the Battle Phase, if this card attacked or was attacked: You can shuffle it into the Deck; Special Summon 1 "Gladiator Beast" monster from your Deck, except "Gladiator Beast Laquari".