Abigale, Eloquent First-Year Alms Beast Arvad the Cursed Astarion, the Decadent Baron Bertram Graywater Bleeding Effect Blood Baron of Vizkopa Blood-Cursed Knight Breathless Knight Call to the Feast Cloak and Dagger, Entwined Colonel Autumn Divinity of Pride Edgar Markov's Coffin Elenda, Saint of Dusk Elenda, the Dusk Rose Firja, Judge of Valor Gift of Orzhova Glasswing Grace Indulging Patrician Ketramose, the New Dawn Killian, Ink Duelist Kunoros, Hound of Athreos Liesa, Forgotten Archangel Liesa, Shroud of Dusk Lurrus of the Dream-Den Markov Purifier Mister Negative Necromancer's Covenant Nip Gwyllion Ondu Knotmaster Ondu Knotmaster Orah, Skyclave Hierophant Order of Sacred Dusk Prideful Feastling Ready // Willing Reaping Willow Resolute Rider Sanguine Savior Silverquill Pledgemage Sorin, Grim Nemesis Sorin, Lord of Innistrad Sorin, Ravenous Neonate Sorin, Solemn Visitor Sorin, Vengeful Bloodlord Syr Vondam, the Lucent Teysa Karlov The Broken Sky Tithe Drinker Tymna the Weaver Tymna the Weaver Unraveling Mummy Verrak, Warped Sengir Vish Kal, Blood Arbiter Vizkopa Guildmage Vizkopa Vampire Vona, Butcher of Magan Voracious Hatchling Wispdrinker Vampire Withar, Cocoon Keeper

This is because deathtouch only destroys other creatures, not planeswalkers
2 - Chains of Mephistopheles Oracle Text: If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead
None of that combo business really explores the playability of the party mechanic in our format