Some players may see the packs as bulk that bloats your collection, but if your collection is small, the cards go a long way with eternally playables like Path to Exile, Blood Artist and Herald's Horn at uncommon

Academy Elite Academy Journeymage Academy Loremaster Academy Researchers Acererak the Archlich Adeliz, the Cinder Wind Adrix and Nev, Twincasters Aegar, the Freezing Flame Aegis Sculptor Aerie Mystics Aether Channeler Alabaster Mage Alandra, Sky Dreamer Alania's Pathmaker Alania, Divergent Storm Alchemist's Apprentice Alisaie Leveilleur Alphinaud Leveilleur Ambassador Laquatus Ambitious Augmenter Aminatou, Veil Piercer Amphin Pathmage Ana Battlemage Ana Disciple Anarchist Anathemancer Aphetto Alchemist Aphetto Exterminator Aphetto Grifter Aphetto Runecaster Apprentice Necromancer Apprentice Sorcerer Apprentice Wizard Araumi of the Dead Tide Arbiter of Knollridge Arcane Artisan Arcane Investigator Arcane Proxy Arcane Savant Arcanis the Omnipotent Archaeomancer Archaeomender Archetype of Imagination Architects of Will Archive Dragon Archive Haunt Archivist Archmage Emeritus Archmage of Echoes Archmage of Runes Arctic Aven Ardent Electromancer Arjun, the Shifting Flame Armorer Guildmage Artful Looter Artisan of Forms Ascended Lawmage Ashiok's Adept Ashiok's Forerunner Ashling, Rimebound Asmoranomardicadaistinaculdacar Asylum Visitor Atmosphere Surgeon Augur of Bolas Augur of Skulls Augury Adept Auramancer Auratouched Mage Auriok Windwalker Avalanche Caller Aven Augur Aven Fateshaper

Edgar Markov Inaddition to Experience counters being hard to answer with killing the Commander or Oloro's life gain from the Command Zone is the annoyance that is eminence
The former has better stats and worse card flow, and is a weak card
What About Harmonize, Saddle, Improvise and Convoke
It's a colorless 2/2 creature with no name, no creature types, no abilities, and no mana cost (and thus mana value 0)