booster boxe Vintage Fossil 1st Edition Pokémon Box peaceful days are ahead for the city’s residents Spectrum Booster Box Display Case

Let's create a very simplified situation as an example of what I mean

This Promo card is numbered 10/53 in the set

However, when a player chooses to Mega Evolve a Pokmon-ex, the players turn ends immediately unless the Spirit Link card that corresponds to the Pokmon to be Mega-Evolved has been attached to the Pokmon in question

That's Orim's Chant in a nutshell: good for stopping an opponent in the middle of his combo while he has a bazillion mana floating and damned if he isn't going to take mana burn and die, but don't you just wish it was a cantrip

Set description: Mega Evolve Your Strength to the Next Stage