Graded Population Report: Shedinja #66 Visualize the distrbution of grades in the chart
It's part of a cycle of rare enchantment creatures from the Duskmourn MTG set which all return to the battlefield as non-creature enchantments after they're killed, making it a nightmare to remove
Additional Card Options Though much less common, there are other monsters besides Jowgen and Last Warrior that are sometimes used in combination with Last Turn
It is expensive mana wise but provides a repeatable way to make copies of creatures

Semi-Limited Effect Monster cards in Master Duel Adamancipator Analyser Altergeist Multifaker Aluber the Jester of Despia Blaster, Dragon Ruler of Infernos Destiny HERO - Malicious Dimension Shifter Genex Ally Birdman Labrynth Chandraglier Labrynth Stovie Torbie Luster Pendulum, the Dracoslayer Lyrilusc - Cobalt Sparrow Kashtira Unicorn Necroface Parallel eXceed PSY-Framegear Gamma Purrely Snake-Eye Ash Souleating Oviraptor Spright Blue SPYRAL Quik-Fix Superheavy Samurai Wagon Tearlaments Scheiren Thunder Dragonroar Water Enchantress of the Temple Semi-Limited Synchro Monster cards in Master Duel Trishula, Dragon of the Ice Barrier Semi-Limited Spell cards in Master Duel Called by the Grave Chaos Space Change of Heart Cynet Mining Divine Wind of Mist Valley Emergency Teleport Fusion Destiny Infernity Launcher Kashtira Birth Mask Change II Nadir Servant Quick Launch Raigeki Rite of Aramesir Runick Freezing Curses Runick Slumber Runick Tip Sekkas Light Sky Striker Mobilise - Engage

It does provide something our deck does need though, and thats haste