For example, exalted won't trigger if you attack with multiple creatures and all but one of them are removed from combat
Cards expended by your Leader effect, while lowering the power of the remaining small Characters
Its an excellent ssland-matter commander because you can turn utility lands into islands and your Flow of Knowledge will be great
You can cast Stolen Goodies with no targets
In constructed formats, you can just re-cast another copy to get rid of it if it gets too many counters, and in Commander, your life total starts so high that it hardly ever matters
For example, if My Tendrils Run Deep is in your command zone face up and you control Exploration (an enchantment with "You may play an additional land on each of your turns."), you'll be able to play three lands during each of your turns