With so many players not wanting to spend thousands of dollars on a Black Lotus, having new cards printed that are explicitly not allowed in play is frustrating for fans
Besides its obvious implications in Mardu EDH decks already built around attack triggers, in formats like Standard you can benefit from multiples of these
Infinite Impermanence [Fast Negate for Field Monsters] Like fellow hand traps Ash and Called by , Infinite Impermanence (abbreviated to Imperm ) is a simple yet immensely powerful effect that can single-handedly win the game
1, 2004 Among the original Horus cards, Black Flame Dragon LV6 and 8 may still see competitive play
Thats why I save him for decks where I can also run Clone effects so I can take advantage of some juicy targets
The error was fixed pretty quickly, but not before thousands of packs of the affected cards made their way into circulation