Goblinslide
Enchantment
Whenever you cast a noncreature spell, you may pay 
. If you do, create a 1/1 red Goblin creature token with haste.
Goblins, like snowflakes, are only dangerous in numbers.
Kev Walker
Khans of Tarkir (KTK)
• #109Rulings
You make the decision whether to pay {1} as the ability resolves.
(wotc • 2014-09-20)
Rulings
You make the decision whether to pay {1} as the ability resolves.
(wotc • 2014-09-20)