Jesyka, Empress of the Tempest

Eminence - Whenever you cast another Merfolk
spell, if Jesyka, Empress of the Tempest is in the command zone or on the battlefield, you may
pay {1}, if you do, put a +1/+1 counter on that creature.
Merfolk creatures you control have vigilance.
Tap three untapped Merfolk you control: Draw
a card.