Legendary Planeswalker - Nahiri
[+1]: Until your next turn, up to one other target permanent gains indestructible.
[–3]: Create a colorless artifact token named Hedron Vault with "When Hedron Vault enters the battlefield, exile target nonland permanent an opponent controls until Hedron Vault leaves the battlefield."
[–6]: Each player chooses from among the nonartifact permanents they control a creature, an enchantment, a planeswalker, and a land, then sacrifices the rest.