Sentry Oak

Defender
At the beginning of combat on your turn, you may clash with an opponent. If you win, this creature gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Defensor.
Al inicio del combate en tu turno, puedes enfrentarte con un oponente. Si ganas, el Roble centinela obtiene +2/+0 y pierde la habilidad de defensor hasta el final del turno. (Cada jugador enfrentado muestra la primera carta de su biblioteca, luego pone esa carta en la parte superior o inferior. Gana el jugador cuya carta tenga el mayor coste de maná convertido.)