Tale of Toph and Katara Tale of Katara and Toph is an incredibly efficient counter distributor because its distribution is nearly free
April O'Neil, Kunoichi Trainee Blade-Blizzard Kitsune Dark Leo & Shredder Don & Leo, Problem Solvers Foot Elite Foot Ninjas Heroes in a Half Shell Jennika, Bad Apple Big Sister Karai, Future of the Foot Koya, Death from Above Leonardo, Big Brother Leonardo, Cutting Edge Leonardo, Leader in Blue Leonardo, Sewer Samurai Leonardo, Worldly Warrior Leonardo, the Balance Lita, Little Orphan Amphibian Mechanized Ninja Cavalry Mikey & Leo, Chaos & Order Prehistoric Pet Raph & Leo, Sibling Rivals Splinter & Leo, Father & Son Splinter, Aging Champion Splinter, Radical Rat Turncoat Kunoichi
Sometimes you just need to get weird with your Commander decks
The beauty of your own playtest cards is Wizards already does this and you can too, and a site like MTG Print makes it even easier
Run a color test strip and adjust saturationmana symbols must be legible under different lights