While Rhystic Study allows its controller to draw a card whenever an opponent casts a spell unless they pay two mana, Smothering Tithe allows its controller to create a treasure token whenever an opponent draws a card unless they pay two mana
Place renewable, non-bleeding indicating silica gel packets or humidor moisture packs inside your storage containers to absorb stray moisture
Able to whittle down opponents and even eliminate threats, Orcish Bowmasters is near guaranteed to see cEDH play
But in general, you often want to have a small number of one drops, plenty of two and three drops, and then a gradually decreasing number of four, five, and six drops
Theres a pretty significant value jump between Fourth and Alternate Fourth for some of the collectors who do know about it, so it may be worth your time to double check none of these cards are in your collection