The trick is to make sure the creatures in question have enter the battlefield (ETB) triggers
Unfortunately, thats what I value most in a commander, and Giselas fine but unexciting

3 Blood Spatter Analysis Boggart Cursecrafter Bullseye, Death Dealer Carnage, Crimson Chaos Chaos Spewer Chaos, the Endless Cindering Cutthroat Coalstoke Gearhulk Crash, Reckless Endrider Cruel Administrator Deadly Complication Desecrex, Gift of Servitude Disturbing Mirth Eclipsed Boggart Far Fortune, End Boss Fireglass Mentor Garland, Knight of Cornelia Garna, Bloodfist of Keld Gastal Thrillseeker Gev, Scaled Scorch Green Goblin, Revenant Grub's Command Immersturm Predator Interceptor Mechan Judith, Carnage Connoisseur Kivni, Orb Weaver Knife Trick Kuja, Genome Sorcerer Laughing Jasper Flint Madame Hydra Molten Collapse Mutinous Massacre Nu and Sumi, Career Criminals Ozai, the Phoenix King Perforating Artist Pumpkin Bombardment Push // Pull Rakdos Joins Up Rakdos, Patron of Chaos Rakdos, the Muscle Rowan, Scion of War Rune-Brand Juggler Ruzic, Booed but Victorious Sawblade Skinripper Scarlet Spider, Kaine Shadow Urchin Shady Informant Shriek, Treblemaker The Infamous Cruelclaw The Ruinous Wrecking Crew Tokka & Rahzar, Terrible Twos Totentanz, Swarm Piper Trance Kuja, Fate Defied Ultimate Green Goblin Undead Sprinter Vial Smasher, Gleeful Grenadier Vindictive Warden Zhao, Ruthless Admiral Zoyowa Lava-Tongue Zuko, Conflicted

(You may cast this card from your graveyard for its escape cost.) Escape, Exile any number of other cards from your graveyard with four or more card types among them
We just need a bit more help in the other departments to make the deck flow a bit more
Regardless, fuzzy as it may be, I think weve finally arrived at some pretty decent grand totals