A four or five color Commander deck needs to run a MTG fetch lands, shock lands, triomes, and more, if it's going to have a chance of casting its commander on time
$0.99 Stromkirk Captain Dark Ascension $1.29 Olivia's Wrath The Lost Caverns of Ixalan Commander Decks $0.35 Stensia Masquerade Shadows Over Innistrad $0.79 Bloodline Necromancer The Lost Caverns of Ixalan Commander Decks $2.49 Cordial Vampire The Lost Caverns of Ixalan Commander Decks $0.99 Sanctum Seeker The Lost Caverns of Ixalan Commander Decks $0.79 Champion of Dusk The Lost Caverns of Ixalan Commander Decks $0.59 Patron of the Vein The Lost Caverns of Ixalan Commander Decks $11.99 Olivia, Crimson Bride Innistrad: Crimson Vow $0.79 Vampire Socialite Innistrad: Midnight Hunt $0.79 Anje, Maid of Dishonor Innistrad: Crimson Vow $0.59 Glass-Cast Heart The Lost Caverns of Ixalan Commander Decks 0 results found

Combine this infinite death loop with something like Zulaport Cutthroat , Bastion of Remembrance , Marionette Master , Syr Konrad the Grim , Disciple of the Vault , or Blood Artist , which all cause opponents to lose life whenever a creature you control dies, and you can take out the entire table in a single turn
Ideally you're putting the counter on an Attraction that has 3 lights lit up so you have a 50/50 of getting the exiled spell each turn
This triggers an infinite loop in which damaging opponents gains you life, and gaining life damages your opponent