Sea Serpent

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

Gray Ogre

Earth Elemental

Fire Elemental

Scathe Zombies

Clone

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

Pearled Unicorn

Hydra Omnivore

Whenever Hydra Omnivore deals combat damage to an opponent, it deals that much damage to each other opponent.

Magnigoth Sentry

Reach (This creature can block creatures with flying.)

Grizzly Bears

Frozen Shade

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

Merfolk of the Pearl Trident

Water Elemental

Ironroot Treefolk

Hill Giant

Phantasmal Forces

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

Air Elemental

Terrain Elemental

Djinn of Wishes

Flying
Djinn of Wishes enters with three wish counters on it.
{2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it.

Valor Singer

Combat Inspiration — At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn.

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.

Serra Sphinx

Giant Spider

Rampaging Baloths

Trample
Landfall — Whenever a land you control enters, you may create a 4/4 green Beast creature token.

Mons's Goblin Raiders

Mahamoti Djinn

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

Vorstclaw

Roc of Kher Ridges

Pyroclastic Elemental

{1}{R}{R}: Pyroclastic Elemental deals 1 damage to target player.

Craw Wurm

Serra Angel

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

Phantom Monster

Birds of Paradise

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Frenzied Raptor

Hurloon Minotaur

Bannerhide Krushok

Trample
Reinforce 2—{1}{G} ({1}{G}, Discard this card: Put two +1/+1 counters on target creature.)
Scavenge {5}{G}{G} ({5}{G}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Embermaw Hellion

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

Obsianus Golem

Savannah Lions

Bog Wraith

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

War Mammoth

Ilharg, the Raze-Boar

Trample
Whenever Ilharg, the Raze-Boar attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step.
When Ilharg, the Raze-Boar dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.