We can get it only on resolution of that effect
These days it's serviceable in decks that want to draw tons of cards one card at a time, but it's not exactly curve-friendly
To make things slightly more confusing, any other creatures blocking that same attacker would get to join the defending band, and damage could be distributed between all the blocking creatures of defending players choice
Their mostly basic, stage one or stage two cards *non holo or non reverse holo* to basically put in a shoe box or maybe, start a poke-dex binder of all of the Pokemon or, I could donate them to a childrens hospital or hand them into a thrift / charity shop, to continue someone elses collection
Muddle the Mixture is narrow as both a counterspell and a tutor, but having both effects available in one card is powerful
Shell also be a useful addition to any multicolored TMNT decks