When Aether Hub enters the battlefield, you get {E} (an energy counter).

{T}: Add {C}.

{T}, Pay {E}: Add one mana of any color.

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

-2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."

0: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Whenever a creature enters the battlefield under your control, you gain 1 life. If Answered Prayers isn't a creature, it becomes a 3/3 Angel creature with flying in addition to its other types until end of turn.

+1: Until end of turn, up to one target creature gets +2/+2 and gains vigilance and haste.

0: Create a 2/2 green Wolf creature token. Transform Arlinn Kord.

+1: Creatures you control get +1/+1 and gain trample until end of turn.

-1: Arlinn, Embraced by the Moon deals 3 damage to any target. Transform Arlinn, Embraced by the Moon.

-6: You get an emblem with "Creatures you control have haste and '{T}: This creature deals damage equal to its power to any target.'"

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

{T}, Sacrifice a creature: Blasting Station deals 1 damage to any target.

Whenever a creature enters the battlefield, you may untap Blasting Station.

({T}: Add {B} or {R}.)

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Flying

{T}: Create a 2/2 black Vampire creature token with flying.

{B}: Transform Bloodline Keeper. Activate only if you control five or more Vampires.

Flying

Other Vampire creatures you control get +2/+2.

{T}: Create a 2/2 black Vampire creature token with flying.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Revolt -- At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a unity counter on Call for Unity.

Creatures you control get +1/+1 for each unity counter on Call for Unity.

Carrion Feeder can't block.

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Other black creatures you control get +1/+1.

Other green creatures you control get +1/+1.

At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

+1: Create a 1/1 colorless Construct artifact creature token with defender.

-1: You may sacrifice an artifact. If you do, destroy target artifact or creature.

-6: Choose target artifact card in a graveyard or artifact on the battlefield. Create three tokens that are copies of it.

Morbid -- At the beginning of each end step, if a creature died this turn, you may draw a card.

Flying

At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

If one or more creature tokens would be created under your control, that many 4/4 white Angel creature tokens with flying and vigilance are created instead.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Flying

At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.

+2: You gain 1 life for each creature you control.

-2: Create three 1/1 white Soldier creature tokens.

-5: Destroy all other permanents except for lands and tokens.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

Creatures you control enter the battlefield as a copy of Essence of the Wild.

{T}: Add one mana of any color that a land an opponent controls could produce.

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

+2: Create a 1/1 green Elf Druid creature token with "{T}: Add {G}."

-2: Destroy target artifact or enchantment.

-6: Draw a card for each green creature you control.

Freyalise, Llanowar's Fury can be your commander.

Devoid (This card has no color.)

At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

{1}{G}, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

{T}: Add {C}.

{2}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.

{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Gemstone Mine enters the battlefield with three mining counters on it.

{T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

+1: Until end of turn, Gideon, Ally of Zendikar becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.

0: Create a 2/2 white Knight Ally creature token.

-4: You get an emblem with "Creatures you control get +1/+1."

At the beginning of your upkeep, create a 1/1 red Goblin creature token with haste.

Goblin creatures attack each combat if able.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Other Goblin creatures you control attack each combat if able.

At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.

Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

({T}: Add {W} or {B}.)

As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Grand Coliseum enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.

Whenever a creature you control dies, each other player sacrifices a creature.

Deathtouch

Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.

Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step.

Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.

Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.

At the beginning of your upkeep, if you control four or more creatures, transform Hanweir Militia Captain.

Westvale Cult Leader's power and toughness are each equal to the number of creatures you control.

At the beginning of your end step, create a 1/1 white and black Human Cleric creature token.

Revolt -- At the beginning of your end step, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.

{1}, Sacrifice a creature: Scry 1.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

{T}: Add {C}. ({C} represents colorless mana.)

{T}, Tap an untapped creature you control: Add one mana of any color.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Creatures don't untap during their controllers' untap steps.

Whenever a creature enters the battlefield, untap all creatures.

Ironroot Warlord's power is equal to the number of creatures you control.

{3}{G}{W}: Create a 1/1 white Soldier creature token.

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

Lifelink

If a nontoken creature an opponent controls would die, instead exile that card and create a 2/2 black Zombie creature token.

{2}{B}, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas, Traitor of Ghet.

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

Whenever a creature you control dies, draw a card.

+1: Create a 2/2 black Zombie creature token.

-4: Each player sacrifices two creatures.

-9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

{T}, Pay 1 life: Add one mana of any color.

Whenever Martyr's Bond or another nonland permanent you control is put into a graveyard from the battlefield, each opponent sacrifices a permanent that shares a card type with it.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

{T}: Add {C}.

{T}: Put a charge counter on Mirrodin's Core.

{T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Mortician Beetle.

Suspend 3--{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Add one mana of any color.

({T}: Add {G}.)

As Murmuring Bosk enters the battlefield, you may reveal a Treefolk card from your hand. If you don't, Murmuring Bosk enters the battlefield tapped.

{T}: Add {W} or {B}. Murmuring Bosk deals 1 damage to you.

Flash

Other Wolves and Werewolves you control get +1/+1.

At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

+1: Create a 0/1 green Plant creature token.

-2: Put a +1/+1 counter on each creature you control.

-7: You gain X life and draw X cards, where X is the number of lands you control.

Nomad Outpost enters the battlefield tapped.

{T}: Add {R}, {W}, or {B}.

Flying

{X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Sacrifice a creature: Add one mana of any color.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.

{2}{R}: Creatures you control get +1/+0 until end of turn.

Flying

Whenever another non-Spirit creature you control dies, create a 1/1 white Spirit creature token with flying.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

({T}: Add {R} or {W}.)

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Sandsteppe Citadel enters the battlefield tapped.

{T}: Add {W}, {B}, or {G}.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

{2}: Create a 1/1 colorless Sliver creature token.

{T}: Add {C}{C}.

+1: Create a 1/1 black Vampire creature token with lifelink.

-2: You get an emblem with "Creatures you control get +1/+0."

-6: Destroy up to three target creatures and/or other planeswalkers. Return each card put into a graveyard this way to the battlefield under your control.

+1: Until your next turn, creatures you control get +1/+0 and gain lifelink.

-2: Create a 2/2 black Vampire creature token with flying.

-6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."

Sacrifice a creature: Put a charge counter on Spawning Pit.

{1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

Trample

Whenever Spawnwrithe deals combat damage to a player, create a token that's a copy of Spawnwrithe.

Enchant land

Enchanted land has "{T}: Create a 1/1 green Squirrel creature token."

{T}: Add {C}.

{T}, Tap an untapped creature you control: Add one mana of any color.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Saprolings you control get +2/+2 as long as you have the city's blessing.

Sacrifice three white creatures: Exile target creature.

Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Transguild Promenade enters the battlefield tapped.

When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

{T}: Add one mana of any color. During your next untap step, as you untap your permanents, return Undiscovered Paradise to its owner's hand.

Each land is a Swamp in addition to its other land types.

Vivid Crag enters the battlefield tapped with two charge counters on it.

{T}: Add {R}.

{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.

Vivid Grove enters the battlefield tapped with two charge counters on it.

{T}: Add {G}.

{T}, Remove a charge counter from Vivid Grove: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it.

{T}: Add {B}.

{T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

Vivid Meadow enters the battlefield tapped with two charge counters on it.

{T}: Add {W}.

{T}, Remove a charge counter from Vivid Meadow: Add one mana of any color.

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.

-3: Destroy target nonland permanent with mana value 3 or less.

-9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

{T}: Add {C}.

{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.

{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.

Flying, lifelink, indestructible, haste

At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of that type.