Door of Destinies [Morningtide] Battle for Zendikar Prerelease Promos This explains why the goblins

This explains why the goblins remain unaffected

Set: Sword & Shield: Darkness Ablaze Type: Psychic Rarity: Promo

(You can't be the target of spells or abilities

except it's a 3/3 black Zombie creature in addition to its other types

Set: Core Set 2021 Prerelease Promos Type: Instant Rarity: Rare Cost: {1}{G} Permanents you control gain hexproof and indestructible until end of turn

Door of Destinies [Morningtide] Battle for Zendikar Prerelease Promos This explains why the goblinsSet: Morningtide Type: Artifact Rarity: Rare Cost: {4} As Door of Destinies enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies. Creatures you control of the chosen type get +1 +1 for each charge counter on Door of Destinies.