River Merfolk

: River Merfolk gains mountainwalk until end of turn. (It can’t be blocked as long as defending player controls a Mountain.)

Fissure

Destroy target creature or land. It can’t be regenerated.

Khabál Ghoul

At the beginning of each end step, put a +1/+1 counter on Khabál Ghoul for each creature that died this turn.

Island of Wak-Wak

: Target creature with flying has base power 0 until end of turn.

Benalish Hero

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Oubliette

When Oubliette enters, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they’re treated as though they don’t exist.)

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature’s controller, put a -1/-1 counter on that creature.

Hypnotic Specter

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Mending Hands

Prevent the next 4 damage that would be dealt to any target this turn.

Mending Hands

Prevent the next 4 damage that would be dealt to any target this turn.

Greater Good

Sacrifice a creature: Draw cards equal to the sacrificed creature’s power, then discard three cards.

Greater Good

Sacrifice a creature: Draw cards equal to the sacrificed creature’s power, then discard three cards.

Mending Hands

Prevent the next 4 damage that would be dealt to any target this turn.

Vital Surge

You gain 3 life.
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card’s effects to that spell.)