A small light blue bar means you own one copy, while a dark blue bar means you own 4 copies
This variance of speed speaks of the variety of the format as it has a lot of ways to let you play
The Commanders Bright-Palm is an easy, aggressive build-around that I might suggest for someone making their own deck for the first time
In case you do not want to carry a large wallet or pocketbook around, you might consider a stick-on cardholder for your phone
The first new card to help with that is Harvest Angel of Doom (YGOrg Translation) , a DARK Fairy Pendulum that can tutor a Black Horn of Heaven as a Pendulum Effect, and it can tutor Horn of Heaven through its Monster Effect
Furthermore, it can also special summon a Gladiator Beast monster from the deck, making it an amazing extender during the End Phase