There aren't many colorless legendary spells you'll be casting anyway, and in this decklist, the only colorless legendary spells are artifacts, which aren't too costly to cast to begin with
Spells & Traps Noble Knights cards are supported by a series of equip spells called Noble Arms
Surge's Deal$6.71Find Singles 12Riolu$6.32Find Singles Top Chase Cards Most collected high-rarity cards from Mega Brave
Lava Hound is the main tank, Balloon is the high damage dealer, Fireball is a damage spell, Skeleton Dragon provides support to troops dealing splash damage, Mega Minion provides air support, Tombstone is a defense building to slow enemies, Guards are the troops providing defense, and Zap is a spell to reset the enemy
Colors, Print Quality, and The Back of the Card In addition to how the card feels is how it looks
You can even run fellow Shark Marauding Mako as an early threat