Leviathan

Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)

Arrolla.
El Leviatán entra en juego girado y no se endereza durante tu paso de enderezar.
Al comienzo de tu mantenimiento, puedes sacrificar dos islas. Si lo haces, endereza el Leviatán.
El Leviatán no puede atacar a menos que sacrifiques dos islas.