While a very powerful spell that's brilliant for a go-wide deck, the high mana cost of Biorhythm, and the fact that it will sit in your hand, a dead card, for most of the game, has some suggesting it would now be fine in the format
The cards efficiency drops considerably when targeting one or two mana spells, which has made EEs prevalency in Modern very dependent on the metagame
Players must consider the type, weaknesses, and strengths of their Pokmon, as well as the timing of deploying Trainer cards
Cradle to Grave is a pretty impatient spell since it will only target a nonblack creature that entered the battlefield this turn
The Flair feature in Pokmon TCG Pocket is an expensive and time-consuming way to get a small animation only seen in battles