If they were adorned with a Commander product set symbol, they were viable entries for todays list
Whenever one or more creatures you control deal combat damage to one or more players, proliferate
Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth
Last year's calendar came with the same configuration of items: Last year's calendar featured eight promo cards with a snowflake stamp
Flavor Text "The towers were like a song on the night breeze, faint and lovely, calling her home." A Quickling's Journey Number 22 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Timeless, Vintage Not Legal Formats Alchemy, Modern, Pauper, Pioneer, Standard Rulings (8/25/2017) If you somehow control a Kindred Discovery with no chosen creature type, its last ability can't trigger, even if a creature with no creature types enters the battlefield or attacks
In that same vein, if you take a Pokmon game and throw in a healthy splash of sidescrolling Metroidvania, the game you end up with is Monster Sanctuary