It doesnt pair nicely with Muxus, Goblin Grandee, so it might not ultimately earn a slot
Once you begin to cast The Indomitable from your graveyard, it doesn't matter what happens to the tapped Pirates and/or Vehicles you control
Making Squirrels on entry and attack is solid, and being in green lets her access the token doublers that Krenko missed out on
Tourach, Dread Cantor Hymn to Tourach is an insane card to run in black decks, and having access to a creature with the same effect is absolutely amazing, despite the extra mana investment you have to pay to kick Tourach, Dread Cantor
The Enchanted variant shows a more triumphant pose atop a rock, with a songbird perched on the uplifted finger of a smiling Snow White
Do you really think people are willing to waste their Abrade on a Simic Signet when it could potentially stop an Orcish Bowmasters or a Portal to Phyrexia