Shatterstorm on a stick
If you take the time to build an engine around Loot, which probably involves cards like Displacer Kitten, you have a commander that spits out copies of Dark Ritual and Ancestral Recall

Bumbleflower 23%inclusion 1.3lift 3.81K decks 16.8K decks Veteran Explorer 22%inclusion 1.6lift 5.83K decks 26.6K decks Humble Defector 21%inclusion 1.2lift 9.35K decks 44.4K decks Triskaidekaphile 20%inclusion 1.0lift 16.3K decks 79.7K decks Master of Ceremonies 20%inclusion 1.3lift 7.38K decks 37.7K decks Kess, Dissident Mage 20%inclusion 0.7lift 4.27K decks 21.9K decks Sokrates, Athenian Teacher 19%inclusion 1.2lift 7.17K decks 37.7K decks Tataru Taru 18%inclusion 0.6lift 4.64K decks 26.3K decks Niv-Mizzet, Parun 17%inclusion 0.4lift 7.64K decks 44.4K decks Flumph 17%inclusion 1.2lift 6.41K decks 37.7K decks Gixian Puppeteer 17%inclusion 1.4lift 4.58K decks 27.3K decks Esper Sentinel 17%inclusion -0.0lift 6.30K decks 37.7K decks Harmonic Prodigy 17%inclusion 0.4lift 7.38K decks 44.4K decks Faeburrow Elder 16%inclusion -0.0lift 2.76K decks 16.8K decks Kynaios and Tiro of Meletis 16%inclusion 1.3lift 1.58K decks 9.68K decks Whirlpool Warrior 16%inclusion 1.3lift 7.20K decks 44.4K decks Zhur-Taa Ancient 16%inclusion 1.6lift 2.75K decks 17K decks Ghyrson Starn, Kelermorph 16%inclusion 1.2lift 7.03K decks 44.4K decks Rootweaver Druid 15%inclusion 1.5lift 4.11K decks 26.6K decks Rocco, Street Chef 15%inclusion 1.4lift 1.45K decks 9.68K decks Homunculus Horde 15%inclusion 1.0lift 10.8K decks 72.8K decks Adrix and Nev, Twincasters 15%inclusion 0.5lift 3.92K decks 26.6K decks Mangara, the Diplomat 14%inclusion 0.7lift 5.47K decks 37.7K decks Tergrid, God of Fright 14%inclusion 1.0lift 3.85K decks 27.3K decks Walking Archive 14%inclusion 1.6lift 5.26K decks 37.7K decks Noble Hierarch 14%inclusion -0.1lift 2.33K decks 16.8K decks Solphim, Mayhem Dominus 14%inclusion 1.0lift 6.15K decks 44.4K decks Enduring Vitality 13%inclusion 0.3lift 3.36K decks 25.3K decks Body of Knowledge 13%inclusion 0.9lift 10.5K decks 79.7K decks Niv-Mizzet, the Firemind 13%inclusion 0.7lift 5.82K decks 44.4K decks Instants Counterspell 53%inclusion 0.1lift 42.4K decks 79.7K decks Path to Exile 48%inclusion 0.1lift 18.1K decks 37.7K decks Chaos Warp 39%inclusion 0.2lift 17.3K decks 44.4K decks Beast Within 35%inclusion 0.1lift 9.34K decks 26.6K decks Generous Gift 34%inclusion 0.3lift 12.7K decks 37.7K decks Dark Ritual 33%inclusion 0.2lift 8.94K decks 27.3K decks Terminate 31%inclusion 0.4lift 6.71K decks 21.9K decks An Offer You Can't Refuse 30%inclusion 0.1lift 24.3K decks 79.7K decks Dovin's Veto 28%inclusion 0.2lift 10.8K decks 37.7K decks Heroic Intervention 28%inclusion 0.0lift 7.36K decks 26.6K decks Vision Skeins 26%inclusion 1.5lift 20.3K decks 79.7K decks Negate 24%inclusion 0.1lift 19.4K decks 79.7K decks Baleful Mastery 24%inclusion 1.0lift 6.50K decks 27.3K decks Growth Spiral 21%inclusion 0.0lift 5.63K decks 26.6K decks Everybody Lives

(10/4/2019) If an effect allows you to cast a spell without paying its mana cost, you can't choose to cast it and pay unless another rule or effect allows you to cast that spell for a cost
So yes, that means Moniker Mage has a little sub-game called "Guess My Opponent's Middle Name." What if I have multiple middle names
8 Bad Moon Shines An Ominous Light On The Battlefield Never quite reaching the fame of Blood Moon or Crusade, from which it draws aesthetics and effect, respectively, Bad Moon is still a solid card for any black deck that can flood the field, a task that fits well with visuals of swarming zombies or other ghoulish denizens of the night