I actually need Reliquary Tower for when I draw 5 cards 1 turn and 8 the next
Berserk is the best of the bunch because its the cheapest and can be used on opponents creatureswhich, if used on a scary creature attacking somebody else, can kill the creature and sometimes kill the defending player as well
Basically, the TLDR is that you can build an almost infinite number of really fun, solid, and competitive Commander decks for free with the help of the card-rental programs
Sickening Shoal, Shining Shoal, Frenzied Goblin, Faith's Fetters, Devouring Light, Compulsive Research, Kira, Manriki Gusari, Telling Time and Chord of Calling have all enjoyed time in the cube and a lot of play over the years
Officially licensed booster box for the One Piece card game