If a permanent is no longer on the battlefield as an effect instructs it to explore, its last known information is used to determine which object explored and who controlled it.
June 6, 2025 · Final Fantasy
If a permanent changes zones before an effect causes it to explore, its last known information is used to determine which object explored and who controlled it.
June 16, 2023 · The Lord of the Rings: Tales of Middle-earth
The phrases “the Army you amassed” and “the amassed Army” refer to the creature you chose, whether or not it received counters.