In those situations, its just a colorless land, which isnt that bad
Since being reprinted in this themed Secret Lair, the value of Phyrexian Crusader has increased somewhat remarkably
Trainer cards are a bit more complicated - they're basically support cards, with myriad different effects, and they're often the glue that holds a Pokmon TCG deck together
Every deck has these keystone cards, without which the deck is seriously weakened
Either way, be sure to drop me a comment or over on Discord, and tell the world your thoughts on hexproof
A concession causes you to leave the game, which then causes you to lose the game (Once you concede, you no longer control a Platinum Angel, so its ability cant prevent you from losing the game)