Eldritch Summon

Foretell {p/b}{p/b} & Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it)
Make a 4/4 Aberration with Reach & either
Trample, {4} Ward, Vigilance or Menance. If this spell was Demonstrated, choose two.
Rising Tide {b}{b}