But at 4 mana and tapping, I would only be turning to this as a last resort after exhausting all the other discard effects
This is especially true thanks to Outlaws of Thunder Junction printing more than its fair share of them
Either from their characters or from songs like And Then Along Came Zeus
Not that it needs anymore help, but I would throw this into a Prosper, Tome-Bound deck

This decklist is not a card-for-card product display but is representative of the cards found in the deck.) 1 Adeliz, the Cinder Wind 1 Niv-Mizzet, Parun 1 Lightning Bolt 1 Archmage Emeritus 1 Riverglide Pathway 1 Brainstorm 1 Kaza, Roil Chaser 1 Malevolent Hermit 1 Baral, Chief of Compliance 1 Counterspell 1 Oracle of the Alpha 1 Electrostatic Infantry 1 Command Tower 1 Balmor, Battlemage Captain 1 Shivan Reef 1 Wizard's Lightning 1 Opt 1 Goblin Electromancer 1 Consider 1 Dreadhorde Arcanist 1 Harmonic Prodigy 1 Lightning Strike 1 A-Umara Mystic 1 Siren Stormtamer 1 Shock 1 Play with Fire 1 Expressive Iteration 1 Lightning Stormkin 1 Accident-Prone Apprentice 1 Fading Hope 1 Wee Dragonauts 1 Frostboil Snarl 1 Arcane Signet 1 Prismari Command 1 Abrade 1 Crash Through 1 Soul-Scar Mage 1 Frolicking Familiar 1 Unsummon 1 A-Symmetry Sage 1 Temple of Epiphany 1 Delver of Secrets 1 Ghitu Lavarunner 1 A-Mentor's Guidance 1 Shore Up 1 Faerie Seer 1 Chart a Course 1 Spell Pierce 1 Wizard's Retort 1 Heartfire Immolator 1 Swiftwater Cliffs 1 Ghitu Amplifier 1 Reckless Charge 1 Melt Through 1 A-Lier, Disciple of the Drowned 1 Chilling Trap 1 Monstrous Rage 1 Ghitu Embercoiler 1 Molten Tributary 1 Aegar, the Freezing Flame 1 Winged Words 1 Izzet Charm 1 Essence Scatter 1 Thrill of Possibility 1 Cloudkin Seer 1 Maximize Velocity 1 Thundering Falls 15 Island 15 Mountain 1 Eroded Canyon 1 Rush of Inspiration 1 Prismari Campus Brawl Deck: Florian, Voldaren Scion Vampires steal strength from any life lost

It should be in a language everyone in the game understands