Its seen play in nearly every competitive format, was good in Standard and Pioneer, has seen some potential in Legacy alongside Buried Alive, and was a dominant force in Modern
Imagine having multiple Voltorbs
(3/19/2021) The copy is created on the stack, so it's not "cast." Abilities that trigger when a player casts a spell won't trigger
It's just its card values haven't kept up with trainer Pokmon-focused sets despite a massive buzz around the Scarlet and Violet expansion
They all net you infinite ETB and LTB triggers, infinite death triggers, and infinite sacrifice triggers, and you can add on whatever crazy payoff you like to this loop in order to win the game
Ordinarily, you can flip these for their mana cost at a later time and they will gain their usual traits