So, if you draw a card on an opponent's turn ( say, with an Opt, a Scroll Rack, or a Sensei's Divining Top ), you can still reveal and cast it via Miracle
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Illustrated by Johann Bodin Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
There were basically no relevant targets for any detain ability, and the best ones were often overcosted for their effects
In short, it's the set where we take ourselves the least seriously and poke fun at the work we normally do
You find this spell most often in combo decks, notably Legacy Reanimator, that want to check for interactive spells like Daze and Force of Will