Prism Array | Enchantment | | Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.
Remove a crystal counter from Prism Array: Tap target creature.
{W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Philip Straub
Defiant Bloodlord | Creature | Vampire | Flying
Whenever you gain life, target opponent loses that much life. | Craig J Spearing
Guul Draz Overseer | Creature | Vampire | Flying
Landfall — Whenever a land enters the battlefield under your control, other creatures you control get +1/+0 until end of turn. If that land is a Swamp, those creatures get +2/+0 until end of turn instead. | Karl Kopinski
Painful Truths | Sorcery | | Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell. | Winona Nelson
Ruinous Path | Sorcery | | Destroy target creature or planeswalker.
Awaken 4—{5}{B}{B} (If you cast this spell for {5}{B}{B}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.) | Jaime Jones
March from the Tomb | Sorcery | | Return any number of target Ally creature cards with total mana value 8 or less from your graveyard to the battlefield. | Lake Hurwitz
Brood Butcher | Creature | Eldrazi Drone | Devoid (This card has no color.)
When Brood Butcher enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."
{B}{G}, Sacrifice a creature: Target creature gets -2/-2 until end of turn. | Daarken
Fathom Feeder | Creature | Eldrazi Drone | Devoid (This card has no color.)
Deathtouch
Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)
{3}{U}{B}: Draw a card. Each opponent exiles the top card of their library. | Clint Cearley
Shambling Vent | Land | | Shambling Vent enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land. | Jung Park
Smoldering Marsh | Land | Swamp Mountain | ({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette
Sunken Hollow | Land | Island Swamp | ({T}: Add {U} or {B}.)
Sunken Hollow enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette