Core Set 2021/Trivia

Maro's Core 2021 Teaser
Mark Rosewater gave his traditional teaser with the following hints.

The new core set has a lot of exciting new cards, including:

 * A brand new planeswalker (from a plane we've visited). Basri Ket (Amonkhet)
 * A card that lets you draw half of your library. Peer into the Abyss
 * A +1/+1 tribal lord for a creature type that's never had one. (A creature type with over fifty cards already in print.) Pack Leader (Dogs)
 * A character with a Vanguard card and a legendary creature card gets a second of the latter. Barrin with Barrin, Tolarian Archmage
 * A card with thirty-one different options. Sublime Epiphany
 * A card that gains all activated abilities of a certain subset of cards in a place it’s never done it before. Conspicuous Snoop
 * A card that uses a nonevergreen named ability over twenty years old. Teferi, Master of Time (phasing)
 * A card with the words “battlefield”, “cast”, “creature”, “converted mana cost”, “end of turn”, “exile”, “graveyard” and “mana cost”. Idol of Endurance
 * An aura inspired from a cycle from Urza's Saga block. Demonic Embrace (the Embraces from Urza's Saga).
 * A nonevergreen enchantment subtype returns. Shrine from Champions of Kamigawa.

Core 2021 also has a number of fun reprints, including:

 * A popular character first introduced through flavor text. Ugin, the Spirit Dragon</c>
 * A French Vanilla mythic rare. Baneslayer Angel</c>
 * A popular aura that started as part of a cycle. Faith's Fetters</c>
 * A card with unique protection. Runed Halo</c>
 * Two cards played in tournaments that have been reprinted over twenty times with at least five different pieces of art. Duress</c> and Shock</c>
 * A card that's never previously appeared in a premier set. Grim Tutor</c>
 * A card that's never been reprinted before which has a 2, 3, 5, and 6 all appear on the card. Massacre Wurm</c>
 * A Human Monk. Azusa, Lost but Seeking</c>
 * A card from the Time Spiral timeshifted sheet. Tormod's Crypt</c>

Alara

 * Nine Lives</c> Jazal Goldmane and Marisi.

Amonkhet

 * Basri Ket</c> a devoted warrior of the God Oketra.
 * Basri's Aegis</c> shows some survivors of the city of Naktamun after the events of the Hour of Devastation.
 * Basri's Showcase Plains.

Dominaria

 * Eliminate</c> referring to Kaervek, antagonist of the Mirage storyline.
 * Historian of Zhalfir</c>  Zhalfir.
 * Teferi's Showcase Island.
 * Jolrael, Mwonvuli Recluse</c> one of the oldest surviving Zhalfirins, living in the Mwonvuli Jungle.
 * <c>Kaervek, the Spiteful</c> the main antagonist of the Mirage storyline. Also refers to his Breathstealers.
 * <c>Liliana, Waker of the Dead</c> the art is inspired by <c>Liliana, Heretical Healer</c> // <c>Liliana, Defiant Necromancer</c>.
 * <c>Liliana's Devotee</c> refers to Liliana followers.
 * <c>Liliana's Standard Bearer</c> refers to the House of Vess's legacy.
 * <c>Liliana's Steward </c> servant at Vess Manor.
 * <c>Llanowar Visionary</c> Llanowar.
 * <c>Mangara, the Diplomat</c> the wizard known for Mangara's Harmony and his role in the Mirage War.
 * <c>Miscast</c> refers to Barrin of the Tolarian Academy.
 * <c>Niambi, Esteemed Speaker</c> Teferi's daughter.
 * <c>Nine Lives</c>: Jedit Ojanen, Mirri and Wasitora.
 * <c>Peer into the Abyss</c> refers to Braids.
 * <c>Radha, Heart of Keld</c> one of the main characters during the Time Spiral crisis and the return to Dominaria.
 * <c>Subira, Tulzidi Caravanner</c> the wife of  Teferi.
 * Liliana's Showcase Swamp.
 * <c>Teferi, Master of Time</c> who tries to repair the time rifts of Dominaria.
 * <c>Teferi's Protege</c> a wizard of the Tolarian Academy.
 * <c>Tolarian Kraken</c> Tolaria.

Eldraine

 * <c>Hunter's Edge</c>
 * <c>Valorous Steed</c> both sides of <c>Lonesome Unicorn</c>, united

Ikoria

 * <c>Nine Lives</c> Kaheera.
 * <c>Track Down</c> a bonder

Innistrad

 * <c>Hobblefiend</c> a typical Devil.
 * <c>Indulging Patrician</c> a Voldaren Vampire.
 * <c>Obsessive Stitcher</c> the practice of stitching like Geralf Cecani.
 * <c>Sanguine Indulgence</c> Markov aristocrats making fun of
 * <c>Shacklegeist</c> refers to the Blessed Sleep.
 * <c>Village Rites</c> a follow-up to <c>Village Cannibals</c>.

Ixalan

 * <c>Dire Fleet Warmonger</c> Pirate from the Brazen Coalition.
 * <c>Primal Might</c> refers to <c>Ghalta, Primal Hunger</c>.
 * <c>Run Afoul</c> refers to Atla Palani.
 * <c>Vito, Thorn of the Dusk Rose</c> an acolyte of the Church of Dusk.

Kamigawa

 * <c>Sanctum of Tranquil Light</c>
 * <c>Sanctum of Calm Waters</c>
 * <c>Sanctum of Stone Fangs</c>
 * <c>Sanctum of Shattered Heights</c>
 * <c>Sanctum of Fruitful Harvest</c>
 * <c>Sanctum of All</c>

Kaladesh

 * <c>Skyway Sniper</c> shooting down typical thopters.

Mirrodin

 * <c>Chromatic Orrery</c>  The Moons of Mirrodin.
 * <c>Nine Lives</c> Kemba.

Ravnica

 * <c>Conclave Mentor</c> Selesnya Conclave.
 * <c>Fungal Rebirth</c> Golgari Swarm.
 * <c>Twinblade Assassins</c> Golgari Swarm.
 * <c>Havoc Jester</c> Cult of Rakdos.
 * <c>Experimental Overload</c> Izzet League.
 * <c>Pridemalkin</c> depicted in the autumnal streets of Ravnica. A counterpart to <c>Dreadmalkin</c>.
 * <c>Secure the Scene</c> Azorius Senate and refers to Judith.

Regatha

 * <c>Keral Keep Disciples</c> Keral Keep.
 * Chandra's Showcase Mountain.

Tarkir

 * <c>Falconer Adept</c> a Soldier of the Abzan Houses.
 * <c>See the Truth</c> a Monk of the Jeskai Way.

Theros

 * <c>Swift Response</c> Akros.

Zendikar

 * <c>Blood Glutton</c> A Zendikar Vampire.

Unknown planes

 * Garruk's Showcase Forest.
 * <c>Leafkin Avenger</c> <c>Leafkin Druid</c>
 * <c>Nine Lives</c> Arahbo.

Allusions

 * <c>Pursued Whale</c> and its associated token is a reference to the story of Moby-Dick.