If Nadu somehow enters the battlefield while a spell or ability that targets a creature you control is on the stack, the ability granted by Nadu won't trigger since that creature didn't have that ability when it became the target of that spell or ability
It has grown to such a size that Hasbro considers it a franchise brand, putting it in the same category as Nerf, Play-Doh, Transformers, My Little Pony and Monopoly
(10/2/2025) If an activated ability of a creature you control costs no generic mana to activate (for example, if it costs , it costs , or it costs only nonmana actions such as or "Sacrifice a creature"), Training Grounds simply won't affect it
Published by Konami
Chain Lightning Sure, Chain Lightning lets your opponents in on the fun, but the double red can be impossible for folks, so often this just acts like a Lightning Bolt
It becomes day whenever a card with daybound enters the battlefield