Cyber Jar

Morph {3}{r}{r} (You may cast this face down as a
2/2 creature for {3}. Turn it face up any time for its
morph cost.)
Whenever Cyber Jar is turned face-up, destroy all
creatures, then each player reveals the top five
cards of their library and puts all creature cards
this way onto the battlefield and the rest into
their hand. Creatures destroyed this way can't be regenerated.