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'When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Ulamog is put into a graveyard...
'When you cast this spell, target opponent exiles the top half of their library, rounded up. Ward—Sacrifice two permanents. Ulamog enters with a number of +1/+1 counters on it equal...
'When you cast this spell, exile two target permanents.
Indestructible
Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.
'Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."...
'Trample
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Seek out — Whenever you draw your second card each turn, put a +1/+1 counter on each of up to three target creatures.
'When you cast this spell, exile two target permanents.
Indestructible
Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.