More specific to promo cards was the fact that they introduced a whole new audience to the game it was promoting
A Healthy Community And Exciting Marketplace In Hearthstone if you want a card you'll need to open packs until you find it or destroy cards to craft it at a rate of about 4:1
Ninjutsu is probably the best draft deck archetype that black has with Kamigawa: Neon Dynasty , and, if you are able to draft Kaito Shizuki, you are pretty much obligated to play a blue/black ninjutsu deck
The Pokemon training card game is known for being a little less complicated than other TCGs, such as Yu-Gi-Oh
The foundation of any good multi-colored deck is its land base
This mechanic has any player with Rad counters on them mill that many cards from their deck, losing one life for each nonland card milled this way, and then they lose one rad counter