Mirror Shield [Theros Beyond Death] 278 you may put Nether Shadow

you may put Nether Shadow onto the battlefield

Set: Eternal Masters Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{B} Enchant creature card in a graveyard

Set: High-Speed Riders Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 1000 1 Tuner + 1 or more non-Tuner monsters This card can make a second attack during each Battle Phase

Set: War of the Spark Type: Legendary Creature — Boar God Rarity: Mythic Cost: {3}{R}{R} Trample

Mirror Shield [Theros Beyond Death] 278 you may put Nether ShadowSet: Theros Beyond Death Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature gets +0 +2 and has hexproof and "Whenever a creature with deathtouch blocks or becomes blocked by this creature, destroy that creature." Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)