Aberrant Mind Sorcerer Abhorrent Oculus Acolyte of Affliction Adwal, Breaker of Chains Airlift Chaplain Animal Magnetism Arid Archway Ashiok, Sculptor of Fears Astrid Peth Avenging Druid Barrier of Bones Bashful Beastie Biblioplex Assistant Bison Whistle Blanchwood Prowler Bloodwater Entity Bookwurm Boseiju Reaches Skyward Brazen Buccaneers Break Down the Door Breaking // Entering Calix, Destiny's Hand Call of the Wild Cauldron's Gift Cavalier of Thorns Cemetery Tampering Cenote Scout Champion of Stray Souls Charforger Chrome Courier Circle of the Land Druid Clandestine Meddler Clone Shell Commercial District Conductive Machete Conduit Pylons Corpse Appraiser Curator Beastie Curse of Unbinding Cursed Windbreaker Dakmor Salvage Deadbridge Chant Deeproot Wayfinder Defiant Survivor Defossilize Dire Fleet Interloper Disturbing Mirth Dogged Detective Draugr Thought-Thief Dread Summons Dreadhound Dukhara Scavenger Earth's Mightiest Heroes Eccentric Farmer Eerie Soultender Elegant Parlor Emissary of Sunrise Emry, Lurker of the Loch Enduring Renewal Enigma Sphinx Extract from Darkness Extractor Demon Faerie Dreamthief Fallaji Archaeologist Fated Return Fleeting Memories Foul Watcher Gallifrey Council Chamber Gamekeeper Garland, Knight of Cornelia Gate Colossus

The problem is that you need to sacrifice them afterward
If your deck is too large, youll see fewer of your best cards
Historically, these cards have not been considered all that powerful as most of the time, the correct choice is very clearly to take damage rather than let your opponent draw cards
And not just in the Commander format, where players instantly noticed his potential
You choose from it a nonland card with converted mana cost 3 or less and a card with converted mana cost 4 or greater