Palm-Scale Drake

When Palm-Scale Drake enters the battlefield, you may attach it to another target creature. As long as Palm-Scale Drake is attached to another creature, both creatures cannot attack or block. At the beginning of your upkeep place a -1/-1 counter on all creatures attached to Palm-Scale Drake, its controller draws a card.
"Nestling themselves in the palms of travelers, they induce joy and and a slow painless death with their gentle eyes."