Aaroniero Arruruerie

Trample, First Strike
Whenever a creature dealt damage by Aaroniero Arruruerie this turn dies, exile it. Aaroniero Arruruerie gains the activated abilities of all creatures exiled this way.
If there are 1 or more creatures in exile by Aaroniero Arruruerie, you may pay {3}{u}{u}{b}{b}, if you do, transform it.