Disorienting Glower

Players can't cast spells until the Hydra's next turn.

Black

Lash of the Tyrant

Equipped creature gets +1/+2 and has deathtouch.
Equip {2}

Blue

The Philosopher

White

The Protector

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

Xenagos's Scorn

Xenagos Ascended gains trample until end of turn and attacks this turn if able.

Ecstatic Piper

When Ecstatic Piper enters the battlefield, Xenagos Ascended attacks this turn if able.
Hero's Reward — When Ecstatic Piper leaves the battlefield, each player gains 2 life.

Intervention of Keranos

At the beginning of combat this turn, Intervention of Keranos deals 3 damage to each creature.

Mogis's Chosen

Mogis's Chosen enters the battlefield tapped.
Mogis's Chosen attacks each turn if able.

Spear of the General

Equipped creature gets +2/+0 and has first strike.
Equip {2}

Green

The Hunter

{T}: Target creature you control gets +1/+1 until end of turn.

Unified Lunge

Unified Lunge deals X damage to each player, where X is the number of Heads on the battlefield.

Refreshing Elixir

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Refreshing Elixir is put into a graveyard from anywhere, each player gains 5 life.

Savage Vigor Head

At the beginning of the Hydra's end step, reveal the top card of the Hydra's library and the Hydra casts that card.
Hero's Reward — When Savage Vigor Head leaves the battlefield, each player gains 4 life and draws a card.

The Savant

Exile The Savant: Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps.

Ravenous Brute Head

Hero's Reward — When Ravenous Brute Head leaves the battlefield, each player gains 2 life and draws a card.

Cloak of the Philosopher

Equipped creature gets +1/+1.
{2}: Untap equipped creature.
Equip {2}

Unquenchable Fury

Each Minotaur can't be blocked this turn except by two or more creatures.

Shrieking Titan Head

At the beginning of the Hydra's end step, each player discards a card.
Hero's Reward — When Shrieking Titan Head leaves the battlefield, each player gains 4 life and draws a card.

Dance of Flame

Whenever a Reveler attacks, Dance of Flame deals 1 damage to each player.

The General

Exile The General: Creatures you control get +1/+1 until end of turn. Untap them.

The Provider

Exile The Provider: Put two +1/+1 counters on target creature you control. You gain life equal to that creature's toughness.

Colorless

The Harvester

The Warrior

{T}: Target creature you control gains haste until end of turn.

Touch of the Horned God

Whenever a Minotaur attacks this turn, it gains deathtouch until end of turn.

Minotaur Younghorn

Haste
Minotaur Younghorn attacks each turn if able.

The Warmonger

Exile The Warmonger: Creatures you control get +2/+0 and gain haste until end of turn.

Xenagos's Strike

Xenagos's Strike deals 4 damage to each player.

Serpent Dancers

Deathtouch
Hero's Reward — When Serpent Dancers leaves the battlefield, each player draws a card.

Impulsive Charge

At the beginning of combat this turn, all Revelers gain haste until end of turn and attack this combat if able.

Descend on the Prey

Whenever a Minotaur attacks this turn, it gains first strike until end of turn and must be blocked this turn if able.

Distract the Hydra

Each player may sacrifice a creature. Each player who sacrificed a creature this way chooses a Head and taps it. Each player who didn't sacrifice a creature loses 3 life.

Minotaur Goreseeker

Haste
Minotaur Goreseeker attacks each turn if able.

Impulsive Destruction

Each player may sacrifice an artifact or enchantment. Impulsive Destruction deals 3 damage to each player who didn't sacrifice a permanent this way.

Bow of the Hunter

Equipped creature has "{T}: This creature deals 2 damage to any target."
Equip {2}

Vitality Salve

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Vitality Salve is put into a graveyard from anywhere, each player returns a creature card from their graveyard to the battlefield.

Swallow the Hero Whole

Each player exiles a creature they control. Until the Hydra's next turn, when a Head leaves the battlefield, return the exiled cards to the battlefield under their owners' control.

Grown from the Stump

Place exactly two cards named Hydra Head onto the battlefield from the Hydra's graveyard. If you can't, reveal cards from the top of the Hydra's library until you reveal a Head card. Put that card onto the battlefield and the rest into the Hydra's graveyard.

Neck Tangle

If there are five or more Heads on the battlefield, tap two of them and they don't untap during the Hydra's next untap step. Otherwise, reveal the top card of the Hydra's library and the Hydra casts that card.

Consuming Rage

Whenever a Minotaur attacks this turn, it gets +2/+0 until end of turn. Destroy that creature at end of combat.

Maddened Oread

As long as five or more Revelers are on the battlefield, Maddened Oread attacks each turn if able.
Hero's Reward — When Maddened Oread leaves the battlefield, each player gains 3 life.

The Tyrant

Exile The Tyrant: Creatures your opponents control get -1/-1 until end of turn.

Impulsive Return

Return two cards named Ecstatic Piper from Xenagos's graveyard to the battlefield. At the beginning of combat this turn, Impulsive Return deals damage to each player equal to the number of Revelers on the battlefield.

Plundered Statue

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Plundered Statue is put into a graveyard from anywhere, each player draws a card.

The Champion

{2}, {T}, Exile The Champion: Search your library for a legendary artifact card that isn't a creature, reveal it, and put it onto the battlefield. Then shuffle your library.

Strike the Weak Spot

Destroy target Head. If that Head was elite, the Hydra takes an extra turn after this one.

Snapping Fang Head

At the beginning of the Hydra's end step, Snapping Fang Head deals 1 damage to each player.
Hero's Reward — When Snapping Fang Head leaves the battlefield, each player gains 4 life and draws a card.

Altar of Mogis

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Altar of Mogis is put into a graveyard from anywhere, the Horde sacrifices two Minotaurs.

Rip to Pieces

At the beginning of combat this turn, each Reveler deals 1 damage to each player and each creature those players control.

Axe of the Warmonger

Equipped creature gets +2/+1 and has haste.
Equip {2}

The Vanquisher

Your starting hand size is increased by one.
Your maximum hand size is increased by one.

Pheres-Band Revelers

Hero's Reward — When Pheres-Band Revelers leaves the battlefield, each player draws a card.

Dance of Panic

As long as five or more Revelers are on the battlefield, all Revelers have haste and attack each turn if able.

Massacre Totem

At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Massacre Totem is put into a graveyard from anywhere, put the top seven cards of the Horde's library into its graveyard.

Noxious Hydra Breath

Choose one — Noxious Hydra Breath deals 5 damage to each player; or destroy each tapped non-Head creature.

The Avenger

{3}, {T}: Target creature you control gains deathtouch until end of turn.

Reckless Minotaur

Haste
Reckless Minotaur attacks each turn if able.
At the beginning of the end step, destroy Reckless Minotaur.

Hydra Head

Hero's Reward — When Hydra Head leaves the battlefield, each player gains 2 life.

Xenagos Ascended

Xenagos Ascended can't leave the battlefield as long as a Reveler is on the battlefield.
When Xenagos Ascended leaves the battlefield, each player wins the game.

Torn Between Heads

Tap up to two Heads. They don't untap during the Hydra's next untap step. Torn Between Heads deals 5 damage to each player.

The Destined

Spells you control that target a creature you control cost {2} less to cast.

Rollicking Throng

When Rollicking Throng enters the battlefield, reveal the top card of Xenagos's library and Xenagos casts that card. (This ability doesn't trigger as the game begins.)

The Slayer

You start the game with an additional 7 life.

Phoberos Reaver

Haste
Phoberos Reaver attacks each turn if able.

The Explorer

You may play an additional land on each of your turns.

Hydra's Impenetrable Hide

Each Head gains indestructible until the end of the Hydra's next turn.

Wild Maenads

First strike
Hero's Reward — When Wild Maenads leaves the battlefield, each player gains 3 life.