Containing 10 booster packs as well as a foil promo card featuring Mewtwo V, its an attractive proposition, to say the least

Being a -1 here doesnt allow to hold forever, which is the one difference between 0s and 1s), one 1/1 with more flexibility (Kasmina, Enigma Sage) 4-mana: +: One 1/1 (Elspeth, Knight-Errant, Saheeli, the Gifted ) with lifelink (Sorin, Lord of Innistrad, Archangel Elspeth) or other minor upside (Nahiri, Heir of the Ancients, Jaya, Fiery Negotiator, Commodore Guff ), 1/3 chance at two 1/1s with haste (Comet, Stellar Pup) 0: One 2/2 (Arlinn Kord, Gideon, Ally of Zendikar, Garruk Relentless) with haste (Xenagos, the Reveler), one 1/1 with major upside (Zariel, Archduke of Avernus) -1: One 3/3 (Garruk Wildspeaker, Lukka, Bound to Ruin (Compleated)), one 2/2 with upsides (The Wandering Emperor) 5-mana: +2: Two 0/1s (Tevesh Szat, Doom of Fools) +1: One 2/3 with minor upside (Ashiok, Nightmare Muse), one 1/1 with major upside ( Freyalise, Llanowars Fury , Tezzeret, Artifice Master, Nahiri the Lithomancer ), one 3/3 (Garruk, Primal Hunter, Vivien, Monsters Advocate, Nissa Who Shakes the World, Jared Carthalion ), one 2/2 (Liliana, Deaths Majesty), one BIG creature of variable size (Nissa, Ascended Animist, when compleated twice

If you are managing permitted business workflows, size the pool to the number of simultaneous sessions rather than rotating a smaller list across all of them
Getting this stuff over and over for cost reductions is brilliant