You may spend mana as though it were mana of any color to activate abilities of creatures you control.

Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.

{T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

Lifelink

{1}, Sacrifice Alseid of Life's Bounty: Target creature or enchantment you control gains protection from the color of your choice until end of turn.

{T}: Add {W}.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

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

Flash

Whenever an opponent searches their library, you gain 1 life and draw a card.

Flying

Each player can't cast more than one spell each turn.

Nonbasic lands your opponents control enter the battlefield tapped.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

{1}{W}: Return target artifact card with mana value 1 or less from your graveyard to your hand.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

Vigilance

Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

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

When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

{T}: Add one mana of any of the exiled card's colors.

{X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.

When you play another land, sacrifice City of Traitors.

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

{T}: Add {C}.

{T}, Sacrifice Crystal Vein: Add {C}{C}.

Flash

Mold Earth -- Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.

Your opponents can't cast spells from anywhere other than their hands.

Vigilance

Whenever one or more +1/+1 counters are put on Dusk Legion Duelist, draw a card. This ability triggers only once each turn.

Each player can't cast more than one spell each turn.

{T}: Add {W}.

Channel -- {2}{W}, Discard Eiganjo, Seat of the Empire: It deals 4 damage to target attacking or blocking creature. This ability costs {1} less to activate for each legendary creature you control.

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Destroy target artifact or enchantment with mana value 4 or less.

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.

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

Creature cards in graveyards and libraries can't enter the battlefield.

Players can't cast spells from graveyards or libraries.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

When Grasp of Fate enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Grasp of Fate leaves the battlefield. (Those permanents return under their owners' control.)

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Indestructible

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

Whenever you gain life, put a +1/+1 counter on target creature or enchantment you control.

{1}{W}: Another target creature gains lifelink until end of turn.

{T}: Add {C}.

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

Flying, lifelink

Creatures entering the battlefield or dying don't cause abilities to trigger.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

When Journey to Nowhere enters the battlefield, exile target creature.

When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Flying

Activated abilities of creatures your opponents control can't be activated.

Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.

Vigilance

When Loran of the Third Path enters the battlefield, destroy up to one target artifact or enchantment.

{T}: You and target opponent each draw a card.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

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

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}, Pay 1 life: Counter target black spell.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

As Pithing Needle enters the battlefield, choose a card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

({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}.)

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

When Ranger of Eos enters the battlefield, you may search your library for up to two creature cards with mana value 1 or less, reveal them, put them into your hand, then shuffle.

When Ranger-Captain of Eos enters the battlefield, you may search your library for a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Sacrifice Ranger-Captain of Eos: Your opponents can't cast noncreature spells this turn.

When Recruiter of the Guard enters the battlefield, you may search your library for a creature card with toughness 2 or less, reveal it, put it into your hand, then shuffle.

{W}, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand.

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

{T}, Sacrifice an artifact: Search your library for a Construct card, reveal it, put it into your hand, then shuffle.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

As long as you have 30 or more life, Serra Ascendant gets +5/+5 and has flying.

{T}: Add {W} for each enchantment you control.

Your opponents can't cast spells this turn.

When Skyclave Apparition enters the battlefield, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less.

When Skyclave Apparition leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card.

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

Flash

Lifelink

When Solitude enters the battlefield, exile up to one other target creature. That creature's controller gains life equal to its power.

Evoke--Exile a white card from your hand.

Whenever another creature enters the battlefield, you gain 1 life.

Whenever another creature enters the battlefield, you may gain 1 life.

Each player can't draw more than one card each turn.

{T}, Pay 1 life: Destroy target permanent you own.

{T}, Pay 2 life: Add one mana of any color.

{T}, Pay 3 life: Proliferate.

{T}, Pay 4 life: Draw a card.

{5}: Untap Staff of Compleation.

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Equipped creature gets +2/+2 and has protection from red and from blue.

Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.

Equip {2}

Exile target creature. Its controller gains life equal to its power.

First strike

Noncreature spells cost {1} more to cast.

{T}: Add {C}.

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

{X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

Indestructible

When The One Ring enters the battlefield, if you cast it, you gain protection from everything until your next turn.

At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring.

{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

Triskelion enters the battlefield with three +1/+1 counters on it.

Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.

Remove a charge counter from Umezawa's Jitte: Choose one --

• Equipped creature gets +2/+2 until end of turn.

• Target creature gets -1/-1 until end of turn.

• You gain 2 life.

Equip {2}

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Walking Ballista enters the battlefield with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.