Santuario de la eternidad
Tierra

: Agrega

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: Regresa del campo de batalla a tu mano al comandante objetivo del cual eres propietario. Activa esta habilidad solo durante tu turno.
The “commander tax” increases based on how many times a commander was cast from the command zone. Casting a commander from your hand doesn’t require that additional cost, and it doesn’t increase what the cost will be the next time you cast that commander from the command zone.
If your commander isn’t on the battlefield (or if you’re not playing the Commander variant), Sanctum of Eternity’s second ability does nothing.