For Kristoff, that condition is how many songs you have in your discard, which is very on brand for Amber
When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle
I will send the result to your email in a few days
You need to keep your evolution cards out of the discard and you need to keep as many of your Revive, Devolution Spray, and Switch in your deck as possible so you can keep a steady stream of Toppling Winds and a steady stream of Devour
It's also been a pretty big win for competitive play, too
You can find your local pre-release events, where youll get to open boosters, get hold of a special Spindown Life Counter, promo card and deck box, as well as participate in casual tournaments and potentially win more promo cards and booster packs, by checking out the official MTG event locator here