Heart of Xaphan

{t}: create two 1/1 Thopter creature tokens
with flying.
{8}, {t}, Sacrifice Heart of Xaphan: Search
your library for a Xaphan planeswalker card,
or an artifact card, put it onto the battlefield, then shuffle.
Pemer Darror forced tens of sparks into a chunk
of silver. Nobody knows how, but Karns succesor was born.