At the beginning of your upkeep, you may put a charge counter on Aether Vial.

{T}: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield.

Your devotion to each color and each combination of colors is increased by one.

{T}: Add one mana of any color. If you control a God, a Demigod, or a legendary enchantment, you gain 1 life.

Fading 5 (This creature enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

{1}, Remove a fade counter from Ancient Hydra: It deals 1 damage to any target.

Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it.

{1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target.

{T}: Add {W} or {U}.

{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

{T}: Add {C}.

{2}, {T}: Add X mana of any one color, where X is the number of other Gates you control.

Balduvian Hydra enters the battlefield with X +1/+0 counters on it.

Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn.

{R}{R}{R}: Put a +1/+0 counter on Balduvian Hydra. Activate only during your upkeep.

{T}: Add {C}.

{2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

Trample

Bioessence Hydra enters the battlefield with a +1/+1 counter on it for each loyalty counter on planeswalkers you control.

Whenever one or more loyalty counters are put on planeswalkers you control, put that many +1/+1 counters on Bioessence Hydra.

Equipped creature gets +2/+0. It gets an additional +0/+2 and has first strike as long as an Equipment named Groom's Finery is attached to a creature you control.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Destroy target artifact, enchantment, or creature with flying.

Add {W}{U}{B}{R}{G}.

As an additional cost to cast this spell, reveal a creature card from your hand.

Charge of the Forever-Beast deals damage to target creature or planeswalker equal to the revealed card's power.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

When Citizen's Arrest enters the battlefield, exile target creature or planeswalker an opponent controls until Citizen's Arrest leaves the battlefield.

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

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

Trample, haste

Alliance -- Whenever another creature enters the battlefield under your control, double Devilish Valet's power until end of turn.

{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.

You may cast Eternal Scourge from exile.

When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

Enchant land

When Find the Path enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

Enchanted land has "{T}: Add {G}{G}."

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

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

{B}{G}: Golgari Keyrune becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.

Gyrus, Waker of Corpses enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.

Whenever Gyrus attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that's a copy of that card and that's tapped and attacking. Exile the token at end of combat.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

{T}: Add {U} or {R}.

{T}: Add {U} or {R}.

{U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.

Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.

{T}: Add {G}.

{X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.

When Lashknife Barrier enters the battlefield, draw a card.

If a source would deal damage to a creature you control, it deals that much damage minus 1 to that creature instead.

Manor Gate enters the battlefield tapped.

As Manor Gate enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Haste

{1}{B}: Regenerate Manor Skeleton.

Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and {T} this turn.)

Flying

You may cast Misthollow Griffin from exile.

{1}{R}{R}: Put a +1/+1 counter on Molten Hydra.

{T}, Remove all +1/+1 counters from Molten Hydra: It deals damage to any target equal to the number of +1/+1 counters removed this way.

Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Enchant creature or land

As long as enchanted permanent is a creature, it gets +2/+2.

As long as enchanted permanent is a land, it has "{T}: Add two mana of any one color."

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Destroy target creature with flying.

Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead.

If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it.

{1}{B}{G}: Polukranos fights another target creature.

Escape--{4}{B}{G}, Exile six other cards from your graveyard.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control.

Protection from everything

If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

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

{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control has trample, excess damage is dealt to that creature's controller instead.

Whenever you sacrifice a creature, you may return target creature card with lesser mana value from your graveyard to the battlefield tapped. Do this only once each turn.

Rock Hydra enters the battlefield 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.

Double strike

Savageborn Hydra enters the battlefield with X +1/+1 counters on it.

{1}{R/G}: Put a +1/+1 counter on Savageborn Hydra. Activate only as a sorcery.

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

Cycling {2} ({2}, Discard this card: Draw a card.)

Trample

Scourge of Skola Vale enters the battlefield with two +1/+1 counters on it.

{T}, Sacrifice another creature: Put a number of +1/+1 counters on Scourge of Skola Vale equal to the sacrificed creature's toughness.

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

{G}{W}: Selesnya Keyrune becomes a 3/3 green and white Wolf artifact creature until end of turn.

Flash

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets -3/-0 and loses flying.

Shredding Winds deals 7 damage to target creature with flying.

Simic Guildgate enters the battlefield tapped.

{T}: Add {G} or {U}.

Spitting Hydra enters the battlefield with four +1/+1 counters on it.

{1}{R}, Remove a +1/+1 counter from Spitting Hydra: It deals 1 damage to target creature.

You may cast Squee, the Immortal from your graveyard or from exile.

Create a token that's a copy of target artifact or creature.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

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

{2}, {T}, Sacrifice Stonespeaker Crystal: Exile any number of target players' graveyards. Draw a card.

Enchant creature

When Strands of Undeath enters the battlefield, target player discards two cards.

{B}: Regenerate enchanted creature.

Flash

Enchant creature

When Stunning Strike enters the battlefield, tap enchanted creature and remove it from combat.

As long as enchanted creature isn't legendary, it doesn't untap during its controller's untap step.

Sundown Pass enters the battlefield tapped unless you control two or more other lands.

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

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Whenever a creature you control attacks alone, exile the top card of your library. You may play that card this turn.

Tramway Station enters the battlefield tapped.

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

{2}{B}{R}, {T}, Sacrifice Tramway Station: Draw a card.

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

{T}: Add {W} or {U}.

{B}: Regenerate Twisted Abomination.

Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Ulasht, the Hate Seed enters the battlefield with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each other green creature you control.

{1}, Remove a +1/+1 counter from Ulasht: Choose one --

• Ulasht deals 1 damage to target creature.

• Create a 1/1 green Saproling creature token.

{T}: Add {C}.

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

Target creature gets +3/+3 and gains reach until end of turn. Untap it.

Witherbloom Campus enters the battlefield tapped.

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

{4}, {T}: Scry 1.

Deathtouch

{T}: Add two mana of any one color.

Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it.