Kicker (You may pay the kicker cost in addition to any other costs as you cast this spell.)
When Roost of Drakes enters the battlefield, if it was kicked, create a 2/2 blue Drake creature token with
flying (This creature can't be blocked except by creatures with flying or reach.).
Whenever you cast a kicked spell, create a 2/2 blue Drake creature token with
flying (This creature can't be blocked except by creatures with flying or reach.).