Twisted Riddlekeeper

Emerge {5}{C}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, tap up to two target permanents. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Flying

Wolf Pack

You may have this creature assign its combat damage as though it weren't blocked.

Leviathan

Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)

It of the Horrid Swarm

Emerge {6}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, create two 1/1 green Insect creature tokens.

Lavaball Trap

If an opponent had two or more lands enter the battlefield under their control this turn, you may pay {3}{R}{R} rather than pay this spell's mana cost.
Destroy two target lands. Lavaball Trap deals 4 damage to each creature.

Tunneler Wurm

Discard a card: Regenerate this creature.

Aladdin's Lamp

{X}, {T}: The next time you would draw a card this turn, instead look at the top X cards of your library, put all but one of them on the bottom of your library in a random order, then draw a card. X can't be 0.

Teeka's Dragon

Flying; trample; rampage 4 (Whenever this creature becomes blocked, it gets +4/+4 until end of turn for each creature blocking it beyond the first.)

Hoverguard Sweepers

Flying
When this creature enters, you may return up to two target creatures to their owners' hands.

Titanic Bulvox

Trample
Morph {4}{G}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Boulderfall

Boulderfall deals 5 damage divided as you choose among any number of targets.

Avatar of Might

If an opponent controls at least four more creatures than you, this spell costs {6} less to cast.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Suncrusher

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)
{4}, {T}, Remove a +1/+1 counter from this creature: Destroy target creature.
{2}, Remove a +1/+1 counter from this creature: Return this creature to its owner's hand.

Qumulox

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying

Colossus of Sardia

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature doesn't untap during your untap step.
{9}: Untap this creature. Activate only during your upkeep.

Crash of Rhinos

Yavimaya Sojourner

Domain — This spell costs {1} less to cast for each basic land type among lands you control.

Thousand-legged Kami

Soulshift 7 (When this creature dies, you may return target Spirit card with mana value 7 or less from your graveyard to your hand.)

Island

Slipstream Serpent

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Skarrg Goliath

Trample
Bloodrush — {5}{G}{G}, Discard this card: Target attacking creature gets +9/+9 and gains trample until end of turn.

Zodiac Dragon

When this creature is put into your graveyard from the battlefield, you may return it to your hand.

Horncaller's Chant

Create a 4/4 green Rhino creature token with trample, then populate. (Create a token that's a copy of a creature token you control.)

Feral Incarnation

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 3/3 green Beast creature tokens.

Brimstone Dragon

Naya Soulbeast

When you cast this spell, each player reveals the top card of their library. This creature enters with X +1/+1 counters on it, where X is the total mana value of all cards revealed this way.
Trample

Body of Jukai

Trample
Soulshift 8 (When this creature dies, you may return target Spirit card with mana value 8 or less from your graveyard to your hand.)

Deep Spawn

Trample
At the beginning of your upkeep, sacrifice this creature unless you mill two cards.
{U}: This creature gains shroud until end of turn and doesn't untap during your next untap step. Tap this creature. (A creature with shroud can't be the target of spells or abilities.)

Goliath Spider

Reach (This creature can block creatures with flying.)

The Unspeakable

Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Depth Charge Colossus

Prototype {4}{U}{U} — 6/6 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
This creature doesn't untap during your untap step.
{3}: Untap this creature.

Petradon

When this creature enters, exile two target lands.
When this creature leaves the battlefield, return the exiled cards to the battlefield under their owners' control.
{R}: This creature gets +1/+0 until end of turn.

Yavimaya's Embrace

Enchant creature
You control enchanted creature.
Enchanted creature gets +2/+2 and has trample.

Towering Baloth

Morph {6}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Avatar of Will

If an opponent has no cards in hand, this spell costs {6} less to cast.
Flying

Arboretum Elemental

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Cognivore

Flying
Cognivore's power and toughness are each equal to the number of instant cards in all graveyards.

Denizen of the Deep

When this creature enters, return each other creature you control to its owner's hand.

Aladdin's Ring

{8}, {T}: This artifact deals 4 damage to any target.

Mountain

Storm, Force of Nature

Flying, vigilance
Ceaseless Tempest — Whenever Storm deals combat damage to a player, the next instant or sorcery spell you cast this turn has storm. (When you cast it, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Fire Dragon

Flying
When this creature enters, it deals damage to target creature equal to the number of Mountains you control.

Forest

Living Inferno

{T}: This creature deals damage equal to its power divided as you choose among any number of target creatures. Each of those creatures deals damage equal to its power to this creature.

Ashen Firebeast

{1}{R}: This creature deals 1 damage to each creature without flying.

Walker of the Grove

When this creature leaves the battlefield, create a 4/4 green Elemental creature token.
Evoke {4}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Crimson Hellkite

Flying
{X}, {T}: This creature deals X damage to target creature. Spend only red mana on X.

Endless Swarm

Create a 1/1 green Snake creature token for each card in your hand.
Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability.)

Chromescale Drake

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, reveal the top three cards of your library. Put all artifact cards revealed this way into your hand and the rest into your graveyard.

Excruciator

Damage that would be dealt by this creature can't be prevented.

Scornful Egotist

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Maelstrom Djinn

Flying
Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When this creature is turned face up, put two time counters on it and it gains vanishing. (At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Dichotomancy

For each tapped nonland permanent target opponent controls, search that player's library for a card with the same name as that permanent. Put those cards onto the battlefield under your control, then that player shuffles.
Suspend 3—{1}{U}{U} (Rather than cast this card from your hand, you may pay {1}{U}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Denying Wind

Search target player's library for up to seven cards and exile them. Then that player shuffles.

Benthic Behemoth

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Lashweed Lurker

Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may put target nonland permanent on top of its owner's library.

Xanthic Statue

{5}: Until end of turn, this artifact becomes an 8/8 Golem artifact creature with trample.

Furnace Dragon

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, if you cast it from your hand, exile all artifacts.

Stratadon

Domain — This spell costs {1} less to cast for each basic land type among lands you control.
Trample

Polar Kraken

Trample
This creature enters tapped.
Cumulative upkeep—Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Volley of Boulders

Volley of Boulders deals 6 damage divided as you choose among any number of targets.
Flashback {R}{R}{R}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Charging Binox

Assist (Another player can pay up to {7} of this spell's cost.)
Trample

Tumble

Tumble deals 6 damage to each creature with flying.

Rough

Rough deals 2 damage to each creature without flying.

Rough // Tumble

Scaled Wurm

Hearthcage Giant

When this creature enters, create two 3/1 red Elemental Shaman creature tokens.
Sacrifice an Elemental: Target Giant creature gets +3/+1 until end of turn.

Thing from the Deep

Whenever this creature attacks, sacrifice it unless you sacrifice an Island.

Lava-Field Overlord

Assist (Another player can pay up to {7} of this spell's cost.)
Flying
When this creature enters, it deals 4 damage to target creature an opponent controls.