Coins are collected by completing challenges, and by rewards in the various game modes
And the other two arts of Progenitus are similarly titanic: In lore, Progenitus is the literal, physical embodiment of the soul of Alara, and out of sheer boredom, Progenitus unleashed unto the plane five cataclysms, including, I should point out, a Windstorm
Then, when the finishing blow finally comes, it splits into 11 or more individual copies on the stack making it impossible to counter them all
It will only get better for people as more dealers add TCGplayer Direct as an avenue to get more cards sent to them and more dealers means more competition which means higher prices for players selling to them
Cards Against One Piece turns your favorite pirate crew into pure comedic chaos
Lots of players were planning on playing casually with Unstable cards anyway, but turning all of Commander into Un-mander forces a new dynamic onto the players that didn't want to