There was a time in Modern in which a single Serum Visions would cost $10+ dollars, and its a $0.50-$0.75 card nowadays
Combos Using Moonmist Ultimecia, Time Sorceress Isochron Scepter Conjurer's Closet Moonmist 4 card combo In 4 decks(0.00% of 729161) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter Thassa, Deep-Dwelling Moonmist 4 card combo In 3 decks(0.00% of 729161) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter Teleportation Circle Moonmist 4 card combo In 3 decks(0.00% of 498243) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter Airbender Ascension Moonmist 4 card combo In 2 decks(0.00% of 353551) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter The Mind Stone Moonmist 4 card combo In 1 decks(0.00% of 54635) Infinite turns Lock Ultimecia, Time Sorceress Panoptic Mirror Airbender Ascension Moonmist 4 card combo In 1 decks(0.00% of 353551) Infinite turns Lock Ultimecia, Time Sorceress Panoptic Mirror Brago, King Eternal Moonmist 4 card combo +1 other prerequisite +1 other prerequisite In 1 decks(0.00% of 498243) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter Y'shtola Rhul Moonmist 4 card combo In 1 decks(0.00% of 729161) Infinite turns Lock Ultimecia, Time Sorceress Isochron Scepter Brago, King Eternal Moonmist 4 card combo +1 other prerequisite +1 other prerequisite In 1 decks(0.00% of 498243) Infinite turns Lock
Gogo, Mysterious Mime* Gogo clone just wish you were more interesting than a middling clone that is undersized when not copying things on attack, even if you can copy legendary creatures 118
Our other honorable mention is Kodama of the East Tree
