There were two fairly major problems with the way this change was implemented
Manic Vandal is very handy in any Red deck that's creature based like Lyzolda, The Blood Witch or Riku of Two Reflections
4 Put down your Active Pokmon
Ancestral Recall Balance Biorhythm Black Lotus Chaos Orb Channel Dockside Extortionist Emrakul, the Aeons Torn Erayo, Soratami Ascendant Falling Star Fastbond Flash Golos, Tireless Pilgrim Griselbrand Hullbreacher Iona, Shield of Emeria Karakas Jeweled Lotus Leovold, Emissary of Trest Library of Alexandria Limited Resources Lutri, the Spellchaser Mana Crypt Mox Emerald Mox Jet Mox Pearl Mox Ruby Mox Sapphire Nadu, Winged Wisdom Paradox Engine Primeval Titan Prophet of Kruphix Recurring Nightmare Rofellos, Llanowar Emissary Shahrazad Sundering Titan Sylvan Primordial Time Vault Time Walk Tinker Tolarian Academy Trade Secrets Upheaval Yawgmoth's Bargain Keep in mind that, in the early years of Commander, a second Banned as Commander list was maintained
Burn spells typically deal damage directly to a player or a creature