Of course, given they not only provided another chance to swing out with what you'd already stolen, but also another chance to steal, rare was it to get more value from an individual theft effect than another combat
You may cast a spell with mana value 3 or less from among them without paying its mana cost
I mean, look at the Sentinal still being in stock
An evasive legendary creature like Etrata, the Silencer should ensure you can bring this card back whenever you attack and have the free mana

Desparked MTG planeswalkers Calix, Guided by Fate Kiora, Sovereign of the Deep Narset, Enlightened Exile Ob Nixilis, Captive Kingpin Samut, Vizier of Naktamun Sarkhan, Soul Aflame Tyvar the Bellicose Nissa, Resurgent Animist Nahiri, Forged in Fury Karn, Legacy Reforged Zhalfir Animists Might Open the Way Leyline Immersion Zendikar Tazri, Stalwart Survivor Reckless Handling Nahiris Resolve Theros Deification Tarkir Kolaghan Warmonger Strxhaven Plargg and Nassari Campus Renovation Ravnica Undercity Upheaval Niv-Mizzet, Supreme New Capenna Metropolis Reformer Rebuild the City Rocco, Street Chef Kamigawa Blot Out Death-Rattle Oni Nashi, Moons Legacy Kaldheim Arni Metalbrow Cosmic Rebirth Feast of the Victorious Dead Kaladesh Pia Nalaar, Consul of Revival Ixalan Harnessed Snubhorn Filter Out Tranquil Frillback Gold-Forged Thopteryx Innistrad Markov Baron Sigarda, Font of Blessings Ikoria Coppercoat Vanguard Jirina, Dauntless General Drannith Ruins Eldraine Training Grounds Ayaras Oathsworn The Kenriths Royal Funeral Dominaria Tolarian Contempt Vesuvan Drifter Urborg Scavengers Danitha, New Benalias Light Promos Jolrael, Voice of Zhalfir Spark Rupture Related: All MTG March of the Machine cards worth money A digital release of March of the Machine: Aftermath is scheduled to take place on May 11, followed by a global launch on May 12
