Heroic Intervention (Extended) [Core Set 2021] Cat Nightmare Beast (When a creature with undying

(When a creature with undying dies

Set: Mythic Edition Tokens Type: Emblem — Elspeth Rarity: Common Artifacts

When Paralyze enters the battlefield

Set: Commander 2018 Type: Enchantment Creature — Giant Rarity: Rare Cost: {6}{G} Constellation — Whenever Nylea's Colossus or another enchantment enters the battlefield under your control

then return a nonland card of an opponent's choice from your graveyard to your hand

Heroic Intervention (Extended) [Core Set 2021] Cat Nightmare Beast (When a creature with undyingSet: Core Set 2021 Type: Instant Rarity: Rare Cost: {1}{G} Permanents you control gain hexproof and indestructible until end of turn.