ability=+2: Untap each enchanted permanent you control.;\
−1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and totem armor.;\
−7: Put the top seven cards of your library into your graveyard. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards.;\
SN can be your commander.
timing=main
oracle=+2: Untap each enchanted permanent you control.\n−1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and totem armor.\n−7: Put the top seven cards of your library into your graveyard. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards.\nEstrid, the Masked can be your commander.