Streets of New Capenna/Trivia

Trivia

Maro's Streets of New Capenna Teaser[ | ]

Mark Rosewater gave his traditional teaser with the following hints.^[1]

five mana costs, using existing mana symbols, that we’ve never used before — Alternate Hybrid symbols (e.g. Evelyn, the Covetous: )
a spell that costs — Shadow of Mortality
a mechanic we’ve tried to get in numerous sets finally finds a home — Alliance ("Creaturefall")
a creature type theme for a draft archetype that’s never been used before — Citizens in W/G
a red creature that can make token copies of creatures you control — Jaxis, the Troublemaker
a card that adds — Meeting of the Five
a mechanic which first premiered in a Standard-legal set in the 00’s sees a return to Standard — Hideaway
a card that makes Cat and Dog tokens — Jinnie Fay, Jetmir's Second
a draft theme caring about a threshold in the graveyard we haven’t cared about before — Five or more Mana values (i.e., Snooping Newsie, Graveyard Shift)
multiple white cards capable of drawing a card each turn — Halo Fountain, Rumor Gatherer, Sanctuary Warden, Sky Crier

“Then if you control ten or more creatures, you may play the exiled card without paying its mana cost.” — Rabble Rousing
“Copy target spell you control that wasn’t cast.” — Errant, Street Artist
“As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life.” — Dusk Mangler
“If exactly three colors of mana were spent to activate this ability,” — Paragon of Modernity
“Create a 1/1 blue Fish creature token” — Sleep with the Fishes
“When you cast this spell, copy it.” — Brass Knuckles
“, , Sacrifice CARDNAME:” — Courier's Briefcase
“where X is the number of permanents you’ve sacrificed this turn.” — Pyre-Sledge Arsonist
“Count the colors of the sacrificed creature,” — Evolving Door
“You may cast any number of the copies without paying their mana costs.” — Arcane Bombardment

Gavin Verhey gave a teaser with the following hints about the new cards in the Commander decks:^[2]

There's a permanent with an activated ability you can only use if a creature fought this turn — Boxing Ring
There's a card that has the clue subtype — Agent's Toolkit
There's the first ever legendary creature of a creature type people have been asking us to make for years — Syrix, Carrier of the Flame (Phoenix)
There's a card that mechanically fits in with a weird cycle of cards from Invasion block — Make an Example (with the incomplete cycle of Fact or Fiction)
There's a new twist on a cycle that originally appeared in a previous Commander product — Confluences (Brokers Confluence, Cabaretti Confluence, Maestros Confluence, Obscura Confluence, Riveteers Confluence)
There's a noncreature card which has three instances of "three" - the word - and three instances of 3 - the number - printed on it — Threefold Signal
There's a card which begins, "At the beginning of your upkeep, each opponent chooses money, friends, or secrets..." — Master of Ceremonies
There's a legendary creature which cares about three different creature types that have never been batched together... until now! — Mari, the Killing Quill (Assassin, Mercenary, and Rogue)
There's a sorcery with only 8 words of rules text — Damning Verdict
There are TONS of returning one-of mechanics, including one I never thought we'd see again — (Cipher^[3])

Card	Mechanic
Phabine, Boss's Confidant	Parley
Tivit, Seller of Secrets	Council's dilemma
Bennie Bracks, Zoologist, Lethal Scheme	Convoke
Rain of Riches	Cascade
Dodgy Jalopy	Scavenge
Threefold Signal	Replicate
In Too Deep	Split second
Body Count	Spectacle
Dogged Detective	Surveil
Cryptic Pursuit	Manifest
Park Heights Maverick	Dethrone
Skyboon Evangelist	Support
Determined Iteration	Populate
Indulge // Excess	Split card with Aftermath
Angelic Sleuth	Investigate
Contractual Safeguard	Addendum
Waste Management	Kicker
Spellbinding Soprano	Encore
Sinister Concierge	Suspend
Writ of Return	Cipher
Life Insurance	Extort
Skyway Robber	Escape
Vivien's Stampede	Melee
Make an Example	Divvy^[4]