The Night

Whenever you cast a Spren spell, create a Mafah'liki token.

At the beginning of combat on your turn, untap each Spren you control.

{w}{u}{b}{r}{g}, {t}: Put three +1/+1 counters on each Spren you control. Activate only during your turn.

The Night is one of the three primordial spren of Roshar, predating even the arrival of Listener and Shards to the planet.
based on Urtet, Remnant of Memnarch