Ashnod [Vanguard Series] Commander Deck you may tap X untapped

you may tap X untapped battles you control (so they're oriented like a regular Magic card)

Set: Ixalan Treasure Chest Type: Artifact // Land Rarity: Rare Cost: {4} Instant and sorcery spells you cast cost {1} less to cast

sacrifice a Plains instead

Set: Core Set 2021 Type: Instant Rarity: Rare Cost: {1}{G} Permanents you control gain hexproof and indestructible until end of turn

and/or planar invasion

Ashnod [Vanguard Series] Commander Deck you may tap X untappedSet: Vanguard Series Type: Vanguard Rarity: Rare Whenever a creature deals damage to you, destroy it. Ashnod served as Mishra's confidante while he led Fallaji weapons development before the Brothers' War. Whereas Mishra works in metals and stone, however, Ashnod works in living flesh. She sees all living things as prototype machines; her "improvements" to them make her as feared by allies as by enemies.