Ulamog's Chosen

•When you cast this spell, search your library for
a basic wastes card and put it onto the battlefield.
{c}{c},{t}: Create two 0/1 colorless
Eldrazi Spawn creature tokens,
They have “Sacrifice this creature: Add {c}.
•Whenever an Eldrazi dies under your control,
draw a card. this ability triggers
only once each turn.
{10},{t}: Create a 10/10 creature token with
trample named Ulamog's Pancreat.