The ability to plot Slickshot Show-Off helps to keep it safe from removal as well as cast it for free to cast a ton of spells the turn it enters
Whites a color big on Enchantments, so the argument that more white Enchantress cards would break it to me falls short, especially when it comes to EDH and the relative clunkiness of temporary enchantment based removal (pro tip: its not very good)
3 Star Athlete He'll Get A Scholarship If He Survives A 3/2 with menace for three mana is already pretty good, but then Star Athlete offers its signature move of hating on non-land permanents
Ok, you convinced me, how does your Adelbert Steiner deck work
This is clearly a Green + Blue effect, as seen with Coiling Oracle, but Wizards has decided to cut the Blue out entirely
[21] Casting cost[] The casting cost is in the top right corner of the card and specifies how much and what type of mana needs to be spent to play the card