Shield of Kaldra [Darksteel] Narset Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Creature — Ox Rarity: Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

Set: Darksteel Type: Artifact Rarity: Uncommon Cost: {4} Whenever an opponent discards a card

and Dominaria itself to the point of annihilation

Undead Vizier exploits a creature

Shield of Kaldra [Darksteel] Narset Set: Portal Three Kingdoms Type:Set: Darksteel Type: Legendary Artifact Equipment Rarity: Rare Cost: {4} Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible. Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.) Equip {4}