Merfolk Leafwatchers

Kicker {1}{u}{g}
Reach
When Merfolk Leafwatcher dies, you may pay {u}{g}. If you do, create X 1/1 blue merfolk with shroud where X is your devotion to green and a 1/1 green merfolk with "Sacrifice this creature: Counter target spell unless its controller pays X where X is your devotion to blue."
When this creature enters the battlefield, if it was kicked, create three 1/1 blue merfolk.