Clockwork Beast

Clockwork Beast enters with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.

Craw Wurm

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay {U}.

Wall of Wood

Orcish Artillery

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Goblin Balloon Brigade

{R}: Goblin Balloon Brigade gains flying until end of turn.

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Thicket Basilisk

Whenever Thicket Basilisk blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Wall of Air

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

Hypnotic Specter

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

Demonic Hordes

{T}: Destroy target land.
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

Northern Paladin

{W}{W}, {T}: Destroy target black permanent.

Cockatrice

Flying
Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Two-Headed Giant of Foriys

Trample
Two-Headed Giant of Foriys can block an additional creature each combat.

Obsianus Golem

Giant Spider

Reach (This creature can block creatures with flying.)

Zombie Master

Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)
Other Zombies have "{B}: Regenerate this permanent."

Serra Angel

Air Elemental

Birds of Paradise

Personal Incarnation

{0}: The next 1 damage that would be dealt to Personal Incarnation this turn is dealt to its owner instead. Only Personal Incarnation's owner may activate this ability.
When Personal Incarnation dies, its owner loses half their life, rounded up.

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Wall of Bone

Defender (This creature can't attack.)
{B}: Regenerate Wall of Bone. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Fungusaur

Whenever Fungusaur is dealt damage, put a +1/+1 counter on it.

Grizzly Bears

Gaea's Liege

As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls.
{T}: Target land becomes a Forest until Gaea's Liege leaves the battlefield.

Juggernaut

Juggernaut attacks each combat if able.
Juggernaut can't be blocked by Walls.

Royal Assassin

Rock Hydra

Rock Hydra enters with X +1/+1 counters on it.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
{R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
{R}{R}{R}: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.

Veteran Bodyguard

As long as Veteran Bodyguard is untapped, all damage that would be dealt to you by unblocked creatures is dealt to Veteran Bodyguard instead.

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Timber Wolves

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.)

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Fire Elemental

Verduran Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Drudge Skeletons

{B}: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Nether Shadow

Haste
At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.

Lord of Atlantis

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Living Wall

Defender (This creature can't attack.)
{1}: Regenerate Living Wall.

Llanowar Elves

Shanodin Dryads

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Water Elemental

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Dwarven Warriors

{T}: Target creature with power 2 or less can't be blocked this turn.

Nettling Imp

{T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

Mahamoti Djinn

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

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Samite Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Sea Serpent

Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Earth Elemental

Wall of Water

Defender (This creature can't attack.)
{U}: Wall of Water gets +1/+0 until end of turn.

Bog Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Wall of Ice

Pirate Ship

Pirate Ship can't attack unless defending player controls an Island.
{T}: Pirate Ship deals 1 damage to any target.
When you control no Islands, sacrifice Pirate Ship.

Wall of Swords

Defender (This creature can't attack.)
Flying

Keldon Warlord

Keldon Warlord's power and toughness are each equal to the number of non-Wall creatures you control.

Vesuvan Doppelganger

You may have Vesuvan Doppelganger enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."