When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life
The utility of a Chord of Calling you can cast after milling it is also quite nice
It's another solid midrange card, and I also love the flexibility of the casting cost

Abdel Adrian, Gorion's Ward Alesha, Who Laughs at Fate Alesha, Who Smiles at Death Anthousa, Setessan Hero Astor, Bearer of Blades Baldin, Century Herdmaster Barktooth Warbeard Black Panther, Claws of Bast Black Panther, Hope Enduring Black Panther, Most Dangerous Black Panther, Vanguard Boromir, Gondor's Hope Brako, Heartless Hunter Bruse Tarl, Roving Rancher Cait, Cage Brawler Cao Ren, Wei Commander Carth the Lion Cazur, Ruthless Stalker Celestine, the Living Saint Cid, Freeflier Pilot Clive, Ifrit's Dominant Commander Greven il-Vec Coram, the Undertaker Daghatar the Adamant Dakkon Blackblade Djeru, With Eyes Open Dreadfang, Loathed by Fans Durnan of the Yawning Portal Eivor, Battle-Ready Eivor, Wolf-Kissed Eshki Dragonclaw Eshki, Temur's Roar Fang, Fearless l'Cie Felothar the Steadfast Felothar, Dawn of the Abzan Firion, Wild Rose Warrior Fynn, the Fangbearer Fynn, the Fangbearer Garna, the Bloodflame Gladiolus Amicitia Gosta Dirk Greta, Sweettooth Scourge Greven, Predator Captain Guan Yu, Sainted Warrior Hakoda, Selfless Commander Haktos the Unscarred Hazezon Tamar Hazezon, Shaper of Sand Huatli, Poet of Unity Hunding Gjornersen Ian the Reckless Iron Fist, Living Weapon Jacques le Vert Jamie McCrimmon Jared Carthalion, True Heir Jaxis, the Troublemaker Jecht, Reluctant Guardian Jeska, Warrior Adept Jill, Shiva's Dominant Jolene, the Plunder Queen Jor Kadeen, the Prevailer Kasimir the Lone Wolf Kassandra, Eagle Bearer Katara, Bending Prodigy Katara, Heroic Healer Katara, Seeking Revenge Katara, Water Tribe's Hope Katara, Waterbending Master Katara, the Fearless Kraven the Hunter Kraven, Proud Predator Kresh the Bloodbraided

Notably, youll have to play Astrologians Planisphere first on turn two, which potentially slows things somewhat
Pokemaster Primero de todo, hay que decidir quin empieza, y eso se realiza con el lanzamiento de una moneda, o en su defecto un dado