Devoid (This card has no color.) When Blisterpod dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

When Kozilek's Predator enters the battlefield, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

({T}: Add {G}.)

Devoid (This card has no color.) Create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

Target creature gets +4/+4 and gains trample until end of turn.

As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Morbid — You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.

Sacrifice Child of Thorns: Target creature gets +1/+1 until end of turn.

Flash When Omen of the Hunt enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. {2}{G}, Sacrifice Omen of the Hunt: Scry 2.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Sacrifice Seal of Primordium: Destroy target artifact or enchantment.