Unyaro Glow Worm

Swarm (You may tap any number of other untapped
1/1 creatures you control to counter a spell or ability targeting this card unless its controller pays an
additional {1} for each creature tapped this way.)
Sacrifice Unyaro Glow Worm: Create a tapped
0/1 green Cocoon token with Swarm and
"{g}, {t}, Sacrifice this permanent: Search your
library for a card named Unyaro Firefly, reveal it,
then put it into your hand. Shuffle your library afterwards."