Ghostly Flicker

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Soul Manipulation

Choose one or both — Counter target creature spell; and/or return target creature card from your graveyard to your hand.

Stormbound Geist

Flying Stormbound Geist can block only creatures with flying. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Devour Flesh

Target player sacrifices a creature, then gains life equal to that creature's toughness.

Snow-Covered Mountain

{T}: Add {R} to your mana pool.

Snow-Covered Island

{T}: Add {U} to your mana pool.

Snow-Covered Swamp

{T}: Add {B} to your mana pool.

Pyroblast

Counter target spell if it is blue or destroy target permanent if it is blue.

Exclude

Counter target creature spell. Draw a card.

Archaeomancer

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Dimir Aqueduct

Dimir Aqueduct comes into play tapped. When Dimir Aqueduct comes into play, return a land you control to its owner's hand. {T}: Add {U}{B} to your mana pool.

Electrickery

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Nihil Spellbomb

{T}, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Flame Slash

Flame Slash deals 4 damage to target creature.

Terminate

Destroy target creature. It can't be regenerated.

Mystical Teachings

Search your library for an instant card or a card with flash, reveal it, and put it into your hand. Then shuffle your library. Flashback {5}{B} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Serrated Arrows

Serrated Arrows comes into play with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it. {T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Counterspell

Counters target spell as it is being cast.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Bojuka Bog

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile all cards from target player's graveyard. {T}: Add {B} to your mana pool.

Mulldrifter

Preordain

Comparative Analysis

Augur of Bolas

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Bloodfell Caves

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

Swiftwater Cliffs

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.