Tainted Aether [Urza's Saga] Magic Origins Promos it can't be regenerated this

it can't be regenerated this turn

Set: From the Vault: Relics Type: Artifact — Equipment Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Set: Commander Anthology Volume II Type: Artifact Rare Cost: {2} Red spells you cast cost {1} less to cast

"If the Nantuko only knew what awaits them beyond death

Tainted Aether [Urza's Saga] Magic Origins Promos it can't be regenerated thisSet: Urza's Saga Type: Enchantment Rare Cost: {2}{B}{B} Whenever a creature enters the battlefield, its controller sacrifices a creature or land. Gix despised the sylvan morass. The gouge that the portal had torn in the forest was the only pleasing sight.