For instants and sorceries, that happens when the spell resolves
P/T Number 207a Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (10/2/2025) An ability that triggers "whenever you waterbend" triggers whenever you pay a waterbend cost, regardless of how you paid that cost
with the Imprint on top, the Twincast in the middle, and the spellbook on the bottom
Similar to why 1st Ed base is considered the 1st set, as its true for English, but obviously there were prior Japanese releases
Jane Goodall Clbre primatologue Ds qu'on m'a propos de participer ce festival, j'ai immdiatement accept
Another way to get token creatures fast is with Arachnogenesis , which, for three mana, makes a 1/2 Spider with reach for every creature attacking you and prevents all damage from non-spiders