This ability triggers only if this Case is solved." Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." (2/2/2024) "Solved [static ability]" means "As long as this Case is solved, [static ability]." Static abilities are written as statements, such as "Creatures you control get +1/+1" or "Instant and sorcery spells you cast cost less to cast." (2/2/2024) "To solve" abilities will check for their condition twice: once when the ability would trigger, and once when it resolves
Kin-Tree Severance
The effect of "Number C40" mandatorily activates (although nothing happens on resolution)
For many, the Pokmon TCG is more about appreciating the art and building a collection and keeping those cards safe from harm than competing with others
If you happen to control a Lattice and Stony Silence, neither player can activate abilities on any of their permanents, which includes not being able to tap lands for mana
abilities, but Job Select is a more nuanced and thematically resonant variation on the same idea