Glimmerbugs

Hexproof, defender

Whenever a creature enters the battlefield under your control, create a Glimmerbug enchantment token. Place the token on that creature.
Glimmerbug enchantment tokens give the equipped creature lifelink and the ability:
{t}, {u}: draw a card, and gain 1 life

Put a -1/-1 counter on Glimmerbugs whenever you create a token.