Armor Schematics

Armor Schematics enters the battlefield tapped.
Armor Schematics enters the battlefield with {x} research counters on it.
{t}, pay 4 research counters : Search your library
for an instant or sorcery card, reveal it, and
put it into your hand, then shuffle your library.
{t}, pay 6 research counters : Search your library
for a card, put it into your hand, then shuffle
your library.