Mister Negative Saffgor: Yes this is splashy, but it's also 7 mana in non-Green, non-Red
Her stats match up poorly against Courser, which admittedly is true for Shaman as well, but he only has to sneak by once to start crashing through
If enough spells have been cast its basically a 1-mana Counterspell
This means that after turn three we have a pretty high chance of us playing out our creatures, and with 31 of them in our deck (28 of them being Humans), we're set up for a great time with our commander
Its had discard effects for opponents, and it eventually developed a minor theme around self-discard thanks to that and madness
It is a lot of trouble just to get that little bit of Mana, especially when mono blue Commander decks are often stacked with Mana rocks such as Mana Vault, Sol Ring or even a Thran Dynamo if all you need is colourless Mana