Yes, you need to reveal all face-down creatures when they die or are exiled
Unfortunately, its upgraded version makes Jim suffer Damage and Horror if he draws any symbol token that isn't a Bless token or an Elder Sign, which in most cases guarantees he will take some punishment no matter what
BT1-011 C Digimon Lv.3 Agumon Expert Color Red Cost 3 DP 1000 Digivolve Cost 1 Red 0 from Lv.2 Form Rookie Attribute Vaccine Type Dinosaur Card Text 1 [Effect] [On Play] Return 1 Digimon card with [Agumon] in its name from your recycle bin to your hand
3 Rescue Board Allows For Strategic Retreating Early in Matches An Amazing Setup Tool To retreat from the Active Spot, players usually need to discard energy, which can hinder plays in later turns if players do not play a significant number of energy cards in their deck
Not only are these lands great in Eternal formats, it's likely they'll be reprinted for you to use in future Standard formats
Another classic option to prevent summons is Artifact Scythe