Aetherdrift 's headliner card is the double rainbow foil, serialized, borderless version of The Aetherspark, the top prize for any Aetherdrift collector
In most decks, that would allow you to steal a useful effect or a stax piece, but with the right cards you can make everything Deadpool
In addition, Tinker Bell - Most Helpful offers a useful effect when you play her
Ioreth of the Healing House can ensure that K-9 Mark I always stays untapped after each combat step so all legendary creatures are protected with ward
When they do, they find a card that perfectly encapsulates what black wants to do and provides good, honest value, so its a great entry point
That doesn't mean they can't contribute to the attack though, thanks to the new keyword enlist