Retromancer

Whenever Retromancer becomes the target of a spell or ability, Retromancer deals 3 damage to that spell or ability's controller.

Viashino Slaughtermaster

Double strike
{B}{G}: Viashino Slaughtermaster gets +1/+1 until end of turn. Activate only once each turn.

Viashino Runner

Menace (This creature can't be blocked except by two or more creatures.)

Garrison Sergeant

Garrison Sergeant has double strike as long as you control a Gate.

Viashino Sandscout

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandscout to its owner's hand. (Return it only if it's on the battlefield.)

Viashino Sandswimmer

{R}: Flip a coin. If you win the flip, return Viashino Sandswimmer to its owner's hand. If you lose the flip, sacrifice Viashino Sandswimmer.

Mezzio Mugger

Whenever Mezzio Mugger attacks, exile the top card of each player's library. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells.
Blitz {2}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Immolation Shaman

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player.
{3}{R}{R}: Immolation Shaman gets +3/+3 and gains menace until end of turn.

Stormscale Anarch

{2}{R}, Discard a card at random: Stormscale Anarch deals 2 damage to any target. If the discarded card was multicolored, Stormscale Anarch deals 4 damage instead.

Viashino Slasher

{R}: Viashino Slasher gets +1/-1 until end of turn.

Viashino Spearhunter

First strike (This creature deals combat damage before creatures without first strike.)

Ognis, the Dragon's Lash

Haste
Whenever a creature you control with haste attacks, create a tapped Treasure token.

Viashino Warrior

Plasma Jockey

Whenever Plasma Jockey attacks, target creature an opponent controls can't block this turn.
Blitz {2}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Thunder-Thrash Elder

Devour 3 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with three times that many +1/+1 counters on it.)

Viashino Lashclaw

{T}, Discard a card: Creatures you control gain haste until end of turn.

Gloryscale Viashino

Whenever you cast a multicolored spell, Gloryscale Viashino gets +3/+3 until end of turn.

Viashino Fangtail

{T}: Viashino Fangtail deals 1 damage to any target.

Ziatora's Envoy

Trample
Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand.
Blitz {2}{B}{R}{G}

Viashino Shanktail

First strike
Bloodrush — {2}{R}, Discard Viashino Shanktail: Target attacking creature gets +3/+1 and gains first strike until end of turn.

Viashino Bladescout

Flash (You may cast this spell any time you could cast an instant.)
When Viashino Bladescout enters the battlefield, target creature gains first strike until end of turn.

Viashino Outrider

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Viashino Branchrider

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
Haste
If Viashino Branchrider was kicked, it enters the battlefield with two +1/+1 counters on it.
{2}{R}: Viashino Branchrider gets +2/+0 until end of turn.

Viashino Bey

If Viashino Bey attacks, all creatures you control attack if able.

Viashino Racketeer

When Viashino Racketeer enters the battlefield, you may discard a card. If you do, draw a card.

Karsus Depthguard

Defender
As long as Karsus Depthguard's power is 5 or greater, it can attack as though it didn't have defender.

Dagger Caster

When Dagger Caster enters the battlefield, it deals 1 damage to each opponent and 1 damage to each creature your opponents control.

Thrashing Frontliner

Trample
Whenever Thrashing Frontliner attacks a battle, it gets +1/+1 until end of turn.

Rivaz of the Claw

Menace
{T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells.
Once during each of your turns, you may cast a Dragon creature spell from your graveyard.
Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it."

Viashino Heretic

{1}{R}, {T}: Destroy target artifact. Viashino Heretic deals damage to that artifact's controller equal to the artifact's mana value.

Viashino Sandstalker

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)

Ral's Staticaster

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Whenever Ral's Staticaster attacks, if you control a Ral planeswalker, Ral's Staticaster gets +1/+0 for each card in your hand until end of turn.

Ghor-Clan Bloodscale

First strike
{3}{G}: Ghor-Clan Bloodscale gets +2/+2 until end of turn. Activate only once each turn.

Carrion Thrash

When Carrion Thrash dies, you may pay {2}. If you do, return another target creature card from your graveyard to your hand.

Viashino Pyromancer

When Viashino Pyromancer enters the battlefield, it deals 2 damage to target player or planeswalker.

Thorn-Thrash Viashino

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)
{G}: Thorn-Thrash Viashino gains trample until end of turn.

Viashino Firstblade

Haste
When Viashino Firstblade enters the battlefield, it gets +2/+2 until end of turn.

Viashino Grappler

{G}: Viashino Grappler gains trample until end of turn.

Viashino Weaponsmith

Whenever Viashino Weaponsmith becomes blocked by a creature, Viashino Weaponsmith gets +2/+2 until end of turn.

Bloodscale Prowler

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)

Riveteers Initiate

{1}{B/G}: Riveteers Initiate gains deathtouch until end of turn.

Hivis of the Scale

You may choose not to untap Hivis of the Scale during your untap step.
{T}: Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.

Viashino Cutthroat

Haste
At the beginning of the end step, return Viashino Cutthroat to its owner's hand.

Zirilan of the Claw

{1}{R}{R}, {T}: Search your library for a Dragon permanent card, put that card onto the battlefield, then shuffle. That Dragon gains haste until end of turn. Exile it at the beginning of the next end step.

Skyclaw Thrash

Whenever Skyclaw Thrash attacks, flip a coin. If you win the flip, Skyclaw Thrash gets +1/+1 and gains flying until end of turn.

Jund Sojourners

When you cycle Jund Sojourners or it dies, you may have it deal 1 damage to any target.
Cycling {2}{R} ({2}{R}, Discard this card: Draw a card.)

Burning-Tree Bloodscale

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
{2}{R}: Target creature can't block Burning-Tree Bloodscale this turn.
{2}{G}: Target creature blocks Burning-Tree Bloodscale this turn if able.

Riveteers Requisitioner

When Riveteers Requisitioner dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Blitz {2}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Shivan Sand-Mage

When Shivan Sand-Mage enters the battlefield, choose one —
• Remove two time counters from target permanent or suspended card.
• Put two time counters on target permanent with a time counter on it or suspended card.
Suspend 4—{R}

Rubblebelt Runner

Rubblebelt Runner can't be blocked by creature tokens.

Viashino Skeleton

{1}{B}, Discard a card: Regenerate Viashino Skeleton.

Yurlok of Scorch Thrash

Vigilance
A player losing unspent mana causes that player to lose that much life.
{1}, {T}: Each player adds {B}{R}{G}.

Viashino Sandsprinter

Trample, haste
At the beginning of the end step, return Viashino Sandsprinter to its owner's hand. (Return it only if it's on the battlefield.)
Cycling {R} ({R}, Discard this card: Draw a card.)

Pyre-Sledge Arsonist

{1}, {T}: Pyre-Sledge Arsonist deals X damage to any target, where X is the number of permanents you've sacrificed this turn.

Mindclaw Shaman

When Mindclaw Shaman enters the battlefield, target opponent reveals their hand. You may cast an instant or sorcery spell from among those cards without paying its mana cost.