Vorel of the Hull Clade 1GU

Legendary Creature ó Human Merfolk
GU,T : For each counter on target artifact, creature, or land, put another of those counters on that permanent.

The effect of Vorelís ability will essentially double the counters on the target artifact, creature, or land. For example, if a creature has three +1/+1 counters and a divinity counter on it before the ability resolves, it will have six +1/+1 counters and two divinity counters on it after the ability resolves.