For Limited in generaland this is just a guidelineI'd look to play something like this: 1 mana: 02 2 mana: 46 3 mana: 35 4 mana: 24 5 mana 13 6+ mana: 02 Once you have those figured out, go ahead and add in your noncreature spells
For example, if a player wanted to have a deck with a focus on Musketeers, they could combine Steel and Amber, which would allow Musketeer Mickey (Steel) to buff Musketeer Goofy (Amber) as his ability buffs all other Musketeer cards, regardless of ink type
Jules had just finished up The Lost Caverns of Ixalan development and was ready to jump into a new, entirely different set with its own challenges
Add in the number of useful enchantments which can easily be cycled (including Cast Out, Shark Typhoon, and Decree of Silence), and you can appreciate the kind of power Replenish unlocks
Not only does this cost 1 mana less than its counterparts in Chandra's Ignition and Waltz of Rage, but you can also cast it a second time while refreshing your hand
For a battle, excess damage means damage in excess of the battle's defense (the number of defense counters it has on it)