Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Equipped creature gets +6/+6.

Whenever equipped creature attacks, destroy target permanent.

Equip {6}

Equipped creature gets +2/+0 and has vigilance and "At the beginning of your upkeep, draw a card."

Whenever equipped creature dies, target opponent gains control of Avarice Amulet.

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

If Balduvian Trading Post would enter the battlefield, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.

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

{1}, {T}: Balduvian Trading Post deals 1 damage to target attacking creature.

{T}: Add {R}. Barbarian Ring deals 1 damage to you.

Threshold -- {R}, {T}, Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

Equipped creature has haste.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy.

Equip {2}

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Equip {4}

Equipped creature gets +1/+0 for each opponent you have.

Whenever equipped creature is dealt damage, it deals that much damage to any target.

Equip {4}

Untap target nonlegendary creature and gain control of it until end of turn. That creature gains haste until end of turn.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

{3}, Sacrifice a creature: Draw a card.

Equipped creature has first strike, trample, and haste.

Equip {1}

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

{T}: Add {R}.

As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Enchant creature

Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land."

Indestructible

Equipped creature has indestructible.

Equip {2}

Cast this spell only during combat before blockers are declared.

Untap target attacking creature and remove it from combat. Gain control of that creature until end of turn.

Dormant Volcano enters the battlefield tapped.

When Dormant Volcano enters the battlefield, sacrifice it unless you return an untapped Mountain you control to its owner's hand.

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

{4}, {T}: An opponent chooses target creature they control. Create a token that's a copy of that creature. That token gains haste until end of turn. Exile the token at the beginning of the next end step. Activate only as a sorcery.

Flash

This spell costs {1} less to cast for each attacking creature you control.

When Embercleave enters the battlefield, attach it to target creature you control.

Equipped creature gets +1/+1 and has double strike and trample.

Equip {3}

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Enchant creature

Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature. (This effect lasts indefinitely.)

Enchant permanent

When Frenzied Fugue enters the battlefield or at the beginning of your upkeep, gain control of enchanted permanent until end of turn. Untap that permanent. It gains haste until end of turn.

Equipped creature has shroud. (It can't be the target of spells or abilities.)

Prevent all combat damage that would be dealt to equipped creature.

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

Choose one --

• Until end of turn, you gain control of target creature and it gains haste.

• Sacrifice a creature. Grab the Reins deals damage equal to that creature's power to any target.

Entwine {2}{R} (Choose both if you pay the entwine cost.)

Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control, you may attach that Equipment to target creature you control.

Equipped creature gets +2/+0 and has indestructible.

Equip {4}

Strive -- This spell costs {2}{R} more to cast for each target beyond the first.

Gain control of any number of target creatures until end of turn. Untap those creatures. They gain haste until end of turn.

Choose up to two target creatures you don't control. For each of those creatures, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

At the beginning of combat on your turn, you may have target creature you control get +2/+0 and gain haste until end of turn. If you do, sacrifice it at the beginning of the next end step.

Spells cost {1} less to cast.

You may choose not to untap Helm of Possession during your untap step.

{2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip {3}

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Enchant creature

Enchanted creature has first strike.

Threshold -- Enchanted creature gets +3/+0 as long as seven or more cards are in your graveyard.

Kamahl's Sledge deals 4 damage to target creature.

Threshold -- If seven or more cards are in your graveyard, instead Kamahl's Sledge deals 4 damage to that creature and 4 damage to that creature's controller.

Haste (This creature can attack and {T} as soon as it comes under your control.)

{T}: Kamahl, Pit Fighter deals 3 damage to any target.

Keldon Megaliths enters the battlefield tapped.

{T}: Add {R}.

Hellbent -- {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

{T}: Add {C}.

{4}{R}, {T}, Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

{T}: Add {R}{R}.

At the beginning of each player's upkeep, that player may put a doom counter on Lavabrink Floodgates or remove a doom counter from it. Then if it has three or more doom counters on it, sacrifice Lavabrink Floodgates. When you do, it deals 6 damage to each creature.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

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

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Looming Spires enters the battlefield tapped.

When Looming Spires enters the battlefield, target creature gets +1/+1 and gains first strike until end of turn.

{T}: Add {R}.

Gain control of target creature until end of turn. Untap that creature. It gains haste and menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Gain control of target creature until end of turn. Untap that creature. It gets +2/+0 and gains haste until end of turn.

Madness {3}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.)

This spell costs {3} less to cast if it targets a creature token.

Gain control of target creature until end of turn. Untap that creature. It gets +2/+0 and gains haste until end of turn.

For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

Gain control of target artifact until end of turn. Untap that artifact. It gains haste until end of turn.

At the beginning of combat on your turn, if you control each creature on the battlefield with the greatest power, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Whenever you cast an instant or sorcery spell, you may pay {3}. If you do, copy that spell. You may choose new targets for the copy.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

Ravaged Highlands enters the battlefield tapped.

{T}: Add {R}.

{T}, Sacrifice Ravaged Highlands: Add one mana of any color.

Equipped creature has haste. (It can attack and {T} no matter when it came under your control.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Red spells you cast cost {1} less to cast.

Imprint -- When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.

Spells you cast that share a card type with the exiled card cost {2} less to cast.

{T}: Add {C}.

{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

{1}, {T}, Sacrifice a creature: Skull Catapult deals 2 damage to any target.

Equipped creature gets +0/+6.

Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Smoldering Spires enters the battlefield tapped.

When Smoldering Spires enters the battlefield, target creature can't block this turn.

{T}: Add {R}.

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

Suspend 3--{1} (Rather than cast this card from your hand, pay {1} 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 {C}{C}.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

Teetering Peaks enters the battlefield tapped.

When Teetering Peaks enters the battlefield, target creature gets +2/+0 until end of turn.

{T}: Add {R}.

Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. (It can attack and {T} this turn.)

Thriving Bluff enters the battlefield tapped.

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

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

Gain control of target creature until end of turn. Untap it. It gains trample and haste until end of turn.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Add two mana of any one color. (The creature can attack and {T} this turn.)

Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +2/+0 and gains haste.

Gain control of target creature until end of turn. Untap that creature. It gets +X/+0 and gains haste until end of turn.

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

{T}: Add {R}.