Kiki-Jiki, Mirror Breaker [Mystery Booster] Shadows in Valhalla also it cannot be destroyed

also it cannot be destroyed by battle

Set: Coldsnap Type: Instant Rarity: Rare Cost: {5}{B}{B} You may exile two black cards from your hand rather than pay this spell's mana cost

Set: Legions Type: Legendary Creature — Angel Rarity: Rare Cost: {5}{W}{W}{W} Flying

but their essence never leaves

This card gains 100 ATK for each DARK monster in your Graveyard

Kiki-Jiki, Mirror Breaker [Mystery Booster] Shadows in Valhalla also it cannot be destroyedSet: Mystery Booster Type: Legendary Creature Goblin Shaman Rarity: Mythic Cost: {2}{R}{R}{R} Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.