Artwork by Mitsuhiro Arita
Both Gengar [Lost Origin] and Damage Pump [Lost Origin] can help make this combo happen even quicker - you can be swinging for OHKOs ASAP
The last sentence doesn't apply in this case since the Lich didn't leave the battlefield

Advanced Search Sets Random Syntax Abzan Charm Archdruid's Charm Archenemy's Charm Archmage's Charm Azorius Charm Bant Charm Boros Charm Brokers Charm Cabaretti Charm Chaos Charm Charm Peddler Charm School Charmbreaker Devils Charmed Clothier Charmed Griffin Charmed Pendant Charmed Sleep Charmed Stray Charming Prince Charming Scoundrel Crosis's Charm Darigaaz's Charm Dawn Charm Death Charmer Dimir Charm Dromar's Charm Ebony Charm Edgar, Charmed Groom Emerald Charm Eriette of the Charmed Apple Esper Charm Evil Boros Charm (playtest) Evolution Charm Fever Charm Freyalise's Charm Funeral Charm Fury Charm Golgari Charm Grixis Charm Growth Charm (playtest) Gruul Charm Hearth Charm Hope Charm Ivory Charm Izzet Charm Jeskai Charm Jund Charm Lorehold Charm Maestros Charm Mardu Charm Midnight Charm Misery Charm Naya Charm Obscura Charm Obsidian Charmaw Orzhov Charm Piety Charm Piracy Charm Prismari Charm Quandrix Charm Rakdos Charm Rith's Charm Riveteers Charm Sapphire Charm Seedling Charm Selesnya Charm Silverquill Charm Simic Charm Soul Charmer Sultai Charm Temur Charm Thraben Charm

Even without Pir in play, Toothy gets bigger every turn, and no matter how it leaves the battlefield, you're bound to draw an absurd amount of cards when it does
In Stage 2 decks, this often becomes Buddy-Buddy Poffin and Technical Machine: Evolution because it speeds up the evolution process, but this supporter card is also powerful late in matches because it can search for disruptive items like Counter Catcher and Unfair Stamp