If you don't want to cast it at that time (or you can't cast it, perhaps because there are no legal targets available), you won't be able to cast it later for the miracle cost
If damage dealt by a creature you control with counters on it is being divided or assigned among multiple permanents and/or players, that damage is divided or assigned before doubling
Remove up to three counters from target creature
A booster contains 2 or 3 commons, 1 or 2 uncommons, and 1 rare, but super-rare or chase figures may replace one of the other figures in the box (which is replaced varies based on the set)
Similar to how the Core sets of old used to be
With Mewtwo being a fan-favorite after featuring in the first Pokemon movie, it may come as no surprise that some cards featuring it specifically have become increasingly sought after