The ability to have a repeatable Heat Shimmer is exceptionally powerful, and the downside of the creature needing to die to copy it is trivial in Commander
Playing a new one causes the previous one to be put in the graveyard

Release date: 2025-11-21 Brought Back Drannith Magistrate Empty City Ruse Lita, Mechanical Engineer Release to Memory Scout's Warning Teferi's Protection Three Dreams Agent of Treachery Bribery Clone Clone Legion Force of Negation Imprisoned in the Moon Intruder Alarm Mystic Remora Prosperity Sakashima of a Thousand Faces Standstill Training Grounds Visions of Beyond Black Sun's Zenith Bloodchief Ascension Cruel Tutor Noxious Gearhulk Blasphemous Act Diaochan, Artful Beauty Dockside Extortionist Fervor Humble Defector Insurrection Lightning Bolt Mirrorwing Dragon Rending Volley Searing Blood Shattering Spree Volcanic Torrent Warstorm Surge Beastmaster Ascension Elemental Bond The Great Henge Heartbeat of Spring Heroic Intervention Return of the Wildspeaker Rites of Flourishing Taunting Challenge Captain Sisay Eladamri's Call Fevered Visions Join the Dance Koma, Cosmos Serpent Rhys the Redeemed Cityscape Leveler Meteorite Sundial of the Infinite Dark Depths Fabled Passage Sunbaked Canyon Tarnished Citadel Treetop Village Valakut, the Molten Pinnacle Appa, the Vigilant Katara's Reversal Fire Nation Turret Swampbenders Sokka's Charge Earthshape Mai and Zuko Aang and Katara Toph, Greatest Earthbender Sokka and Suki Momo's Heist

Suddenly, small creatures disappear, planeswalkers lose loyalty, and life totals drop
COMMANDER DECKS
Equip only as a sorcery.) Legendary Artifact - Equipment Nazgl Battle-Mace Equipped creature has menace, deathtouch, annihilator 1, and "Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control unless that player pays 3 life." (Whenever a creature with annihilator 1 attacks, defending player sacrifices a permanent of their choice.) Equip Equip Artifact - Equipment Removal (CTRL to add secondary) Sorcery Ancestral Vision Suspend 4 (Rather than cast this card from your hand, pay and exile it with four time counters on it