Theorix Metamage // Omit Variables

This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
Threshold — This creature gets +1/+0 and has flying as long as there are seven or more cards in your graveyard.

Mill three cards. (Put the top three cards of your library into your graveyard.)

Esta criatura entra preparada. (Mientras esta criatura esté preparada, puedes lanzar una copia de su hechizo. Si lo haces, deja de estarlo.)
Umbral - Esta criatura obtiene +1/+0 y tiene la habilidad de volar mientras haya siete o más cartas en tu cementerio.

Mill three cards. (Put the top three cards of your library into your graveyard.)