絶え間ない飢餓、ウラモグ/Ulamog, the Ceaseless Hunger

LegendaryCreature - Eldrazi
When you cast Ulamog, the Ceaseless Hunger, exile two target permanents. <CR>
Indestructible <CR>
Whenever Ulamog attacks, defending player exiles the top twenty cards of his or her library.

LegendaryCreature - Eldrazi
When you cast this spell, exile two target permanents. <CR>
Indestructible <CR>
Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.