At ~11,675 expected value vs ~9,000 market price , OP-09 is one of the rare TCG products where the probability-weighted math works in your favor
However, if you do choose a target, and that target is illegal at the time Spider Food tries to resolve, the spell won't resolve and none of its effects will happen
Grey Matter Gandalf the Grey, by contrast, just cares about you casting instant or sorcery spells to access a list of effects you must choose from, and each time you must choose one that hasnt been chosen yet
The effect that increases its ATK to infinity is known as "Soul Energy MAX"
The only thing keeping Terminate from being the best removal spell in Modern is the slightly restrictive casting cost
While this Super Rare card might seem elusive, finding it in the set wasnt too hardevery pack included an energy card