{R}, {T}, Discard a card: Create a 3/1 red Elemental creature token named Spark Elemental. It has trample, haste, and "At the beginning of the end step, sacrifice Spark Elemental."
When you encounter Spatial Merging, reveal cards from the top of your planar deck until you reveal two plane cards. Simultaneously planeswalk to both of them. Put all other cards revealed this way on the bottom of your planar deck in any order.
Spectacle {1}{B}{B} Flying, trample At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.
Devoid When you cast this spell, create three 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add {C}." {1}{C}, Sacrifice an Eldrazi: Spawn-Gang Commander deals 2 damage to any target.
At the beginning of your end step, return up to one target Eldrazi creature card from your graveyard to your hand. Create two 1/1 colorless Eldrazi Scion creature tokens with "Sacrifice this creature: Add {C}."
"They are mere vestiges of the titan's true form. Their deaths are but a brief respite." —Ugin
When Spawnbroker enters the battlefield, you may exchange control of target creature you control and target creature with power less than or equal to that creature's power an opponent controls.
"The trick isn't setting up the bad trade. It's making each side think it got the better deal."
Sacrifice a creature: Put a charge counter on Spawning Pit. {1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.
{1}, {T}, Sacrifice a creature: Seek a creature card with mana value equal to 1 plus the sacrificed creature's mana value and put that card onto the battlefield. That creature is a Phyrexian in addition to its other types. Activate only as a sorcery.