Souldrinker

Pay 3 life: Put a +1/+1 counter on Souldrinker.

Getting

Gustcloak Sentinel

Whenever Gustcloak Sentinel becomes blocked, you may untap it and remove it from combat.

Razorfoot Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

Have

Viashino Runner

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

Amphin Cutthroat

Mesmeric Fiend

When Mesmeric Fiend enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card.
When Mesmeric Fiend leaves the battlefield, return the exiled card to its owner's hand.

Grim Lavamancer

{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Dusk Imp

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Bond Beetle

When Bond Beetle enters, put a +1/+1 counter on target creature.

Putrid Cyclops

When Putrid Cyclops enters, scry 1, then reveal the top card of your library. Putrid Cyclops gets -X/-X until end of turn, where X is that card's mana value. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Ogre Sentry

Void Stalker

{2}{U}, {T}: Put Void Stalker and target creature on top of their owners' libraries, then those players shuffle their libraries.

Tundra Wolves

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

Mogg Flunkies

Mogg Flunkies can't attack or block alone.

Good

Charging Rhino

Charging Rhino can't be blocked by more than one creature.

Wandering Ones

Centaur Courser

Wall of Vines

Defender (This creature can't attack.)
Reach (This creature can block creatures with flying.)

Craw Wurm

Plated Pegasus

Flash (You may cast this spell any time you could cast an instant.)
Flying
If a spell would deal damage to a permanent or player, prevent 1 damage that spell would deal to that permanent or player.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Sutured Ghoul

Trample
As Sutured Ghoul enters, exile any number of creature cards from your graveyard.
Sutured Ghoul's power is equal to the total power of the exiled cards and its toughness is equal to their total toughness.

Oreskos Swiftclaw

Arbalest Elite

{2}{W}, {T}: Arbalest Elite deals 3 damage to target attacking or blocking creature. Arbalest Elite doesn't untap during your next untap step.

Augur of Skulls

{1}{B}: Regenerate Augur of Skulls.
Sacrifice Augur of Skulls: Target player discards two cards. Activate only during your upkeep.

Hunted Wumpus

When Hunted Wumpus enters, each other player may put a creature card from their hand onto the battlefield.

Jackal Familiar

Jackal Familiar can't attack or block alone.

Alluring Siren

{T}: Target creature an opponent controls attacks you this turn if able.

Bloodrock Cyclops

Bloodrock Cyclops attacks each combat if able.

Aven Cloudchaser

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aven Cloudchaser enters, destroy target enchantment.

Wild Griffin

Bramblesnap

Trample
Tap an untapped creature you control: Bramblesnap gets +1/+1 until end of turn.

Undead Minotaur

Knight of Dusk

{B}{B}: Destroy target creature blocking Knight of Dusk.

Tenacious Dead

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Elvish Berserker

Whenever Elvish Berserker becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Ironclaw Buzzardiers

Ironclaw Buzzardiers can't block creatures with power 2 or greater.
{R}: Ironclaw Buzzardiers gains flying until end of turn.

Pride Guardian

Defender
Whenever Pride Guardian blocks, you gain 3 life.

Don't Have

Blind Phantasm

Celestial Crusader

Flash
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Flying
Other white creatures get +1/+1.

Ashcoat Bear

Flash (You may cast this spell any time you could cast an instant.)

War Falcon

Flying
War Falcon can't attack unless you control a Knight or a Soldier.

Cloud Elemental

Flying
Cloud Elemental can block only creatures with flying.

Noble Templar

Vigilance
Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Scaled Wurm

Scroll Thief

Whenever Scroll Thief deals combat damage to a player, draw a card.

Sylvan Ranger

When Sylvan Ranger enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Man-o'-War

When Man-o'-War enters, return target creature to its owner's hand.

Fireslinger

{T}: Fireslinger deals 1 damage to any target and 1 damage to you.

Cyclops Gladiator

Whenever Cyclops Gladiator attacks, you may have it deal damage equal to its power to target creature defending player controls. If you do, that creature deals damage equal to its power to Cyclops Gladiator.

Sage Owl

Flying
When Sage Owl enters, look at the top four cards of your library, then put them back in any order.

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Evernight Shade

{B}: Evernight Shade gets +1/+1 until end of turn.
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.)

Shivan Hellkite

Flying (This creature can't be blocked except by creatures with flying or reach.)
{1}{R}: Shivan Hellkite deals 1 damage to any target.

Forge Devil

When Forge Devil enters, it deals 1 damage to target creature and 1 damage to you.

Wall of Swords

Defender (This creature can't attack.)
Flying

Aven Fisher

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aven Fisher dies, you may draw a card.

Thornwind Faeries

Flying
{T}: Thornwind Faeries deals 1 damage to any target.

Deathforge Shaman

Multikicker {R} (You may pay an additional {R} any number of times as you cast this spell.)
When Deathforge Shaman enters, it deals damage to target player or planeswalker equal to twice the number of times it was kicked.

Minotaur Abomination

Mist Leopard

Shroud (This creature can't be the target of spells or abilities.)

Body Double

You may have Body Double enter as a copy of any creature card in a graveyard.

Charging Badger

Femeref Archers

{T}: Femeref Archers deals 4 damage to target attacking creature with flying.

Soulcatcher

Flying
Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.

Sustainer of the Realm

Flying
Whenever Sustainer of the Realm blocks, it gets +0/+2 until end of turn.

Festering Goblin

When Festering Goblin dies, target creature gets -1/-1 until end of turn.

Zof Shade

{2}{B}: Zof Shade gets +2/+2 until end of turn.

Kraken Hatchling

Veteran Armorer

Skinshifter

{G}: Choose one. Activate only once each turn.
• Until end of turn, Skinshifter becomes a Rhino with base power and toughness 4/4 and gains trample.
• Until end of turn, Skinshifter becomes a Bird with base power and toughness 2/2 and gains flying.
• Until end of turn, Skinshifter becomes a Plant with base power and toughness 0/8.

Eternal Dragon

Flying
{3}{W}{W}: Return Eternal Dragon from your graveyard to your hand. Activate only during your upkeep.
Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Soulmender

Bellows Lizard

{1}{R}: Bellows Lizard gets +1/+0 until end of turn.

Griffin Protector

Flying
Whenever another creature you control enters, Griffin Protector gets +1/+1 until end of turn.

Canopy Spider

Reach (This creature can block creatures with flying.)

Abyssal Specter

Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.

Mass of Ghouls

Vengeful Archon

Flying
{X}: Prevent the next X damage that would be dealt to you this turn. If damage is prevented this way, Vengeful Archon deals that much damage to target player or planeswalker.

Cloud Sprite

Flying (This creature can't be blocked except by creatures with flying or reach.)
Cloud Sprite can block only creatures with flying.

Air Elemental

Regathan Firecat

Duskmantle Prowler

Haste (This creature can attack and {T} as soon as it comes under your control.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Canyon Minotaur

Cloud Crusader

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

Moonwing Moth

Flying
{W}: Moonwing Moth gets +0/+1 until end of turn.

Capashen Knight

First strike (This creature deals combat damage before creatures without first strike.)
{1}{W}: Capashen Knight gets +1/+0 until end of turn.

Thieving Magpie

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.

Smogsteed Rider

Whenever Smogsteed Rider attacks, each other attacking creature gains fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Elvish Mystic

Lizard Warrior

Bonebreaker Giant

Brindle Boar

Dreg Reaver

Goblin Elite Infantry

Whenever Goblin Elite Infantry blocks or becomes blocked, it gets -1/-1 until end of turn.

Typhoid Rats

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Drudge Reavers

Flash (You may cast this spell any time you could cast an instant.)
{B}: Regenerate Drudge Reavers.

Deathgaze Cockatrice

Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Goblin Cadets

Whenever Goblin Cadets blocks or becomes blocked, target opponent gains control of it. (This removes Goblin Cadets from combat.)

Snapping Drake

Flying (This creature can't be blocked except by creatures with flying or reach.)

Basking Rootwalla

{1}{G}: Basking Rootwalla gets +2/+2 until end of turn. Activate only once each turn.
Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)