Blue Lantern Corps

When Blue Lantern Corps comes into play, you may search your library for a Lantern creature and reveal it. Shuffle your library, then put that card on top. Lanterns and Light Constructs you control are blue, get +0/+2 and vigilance and have, "Whenever this creature blocks, you may draw a card."
Threshold: Tap an untapped Lantern you control: shuffle target creature you control from exile into your library.