The Right Hero for the Job (SGX1-ENS09) - Speed Duel GX: Duel Academy Box 1st Edition

Once per Duel, during your Main Phase, you can shuffle 1 "Elemental HERO" monster you control into your Deck, then Special Summon 1 Level 4 or lower "Elemental HERO" monster from your Main Deck with a different name than the shuffled card.