Those cards are then put into the battlefield under your control at the end step, which is completely busted
There is an iconic turn-one kill possible in Modern with Chancellor of the Dross
The problem is that, as these are Secret Lair drops, there's a very high chance they'll sell out almost immediately
It even comes in handy late-game, where you can just pump 3 mana into the Knight over and over again once youre opponent has decided not to block it
White I'm sure you noticed the usual clause about Mythics, so let's talk about Crovax, Ascendant Hero
At its core, Pokmon TCG needs planning, resource management with its energy, and making decks around the unique abilities of your Pokmons