Third, see if you can find lands that cover more than one of your colors (especially if they can enter untapped)
Here are some that I like: Stuff like Timely Reinforcements or Hornet Nest strikes me as too narrow - cards you wouldn't want to maindeck, but would only bring in as a sideboard swap for certain match ups
Most children's hobbies don't involve products that can cost as much as a Rolex, so the pressure is on for parents to figure out how to navigate this complex marketplace
Cards that say "1+ non-Tuners" or "1 or More non-Tuners" can use multiple non-Tuner Monsters for their summoning, but there are cards that will require exact numbers, like Celestial Double Star Shaman, or a higher minimum of non-tuners, like Trishula, Zero Dragon of the Ice Barrier
You can decide to put it into your hand if you'd rather not play it or if it has a comes-into-play effect that requires it to be played from your hand