And They Shall Know No Fear [Warhammer 40,000] SM179 if that creature was destroyed

if that creature was destroyed this way

Cost Ink: 3 Character Version: Snow Queen [Freeze] [Exert] — Exert chosen opposing character

you'll find:

When Invasion of Ikoria enters the battlefield

When Misleading Signpost enters the battlefield during the declare attackers step

And They Shall Know No Fear [Warhammer 40,000] SM179 if that creature was destroyedSet: Warhammer 40,000 Type: Instant Rarity: Uncommon Cost: {1}{W} Choose a creature type. Creatures you control of the chosen type get +1 +0 and gain indestructible until end of turn. They are my bulwark against the Terror. They are the Defenders of Humanity. They are my Space Marines. The Emperor of Mankind