The +2/+2 boost and hexproof from mono-colored spells make it tough to answer, and the more colors your creature has, the cheaper it is to equip
Foil cards only exist because someone figured out humans will pay more for shiny things
Blocking game-changing songs or actions for just one turn can completely disrupt your opponents carefully laid plans
Using standard MTG sizing is important because it keeps cards compatible with sleeves, deck boxes, binders, playmats, and existing collections
As an additional cost to cast this spell, you may exile any number of blue cards from your hand
Roar of Resistance Roar of Resistance acts as a token-specific haste enabler, and I can see using this alongside an infinite combat engine that somehow also gives you mana