Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures.

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

Each spell costs {3} more to cast except during its controller's turn.

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

Creature spells cost {2} more to cast.

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

Marble Diamond enters the battlefield tapped. {T}: Add {W}.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Nevinyrral's Disk enters the battlefield tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

As Sol Grail enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

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

Spells cost {1} more to cast.

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

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

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

When Abyssal Gatekeeper dies, each player sacrifices a creature.

Flying {T}: Target attacking or blocking creature gets +1/+1 until end of turn.

Kicker {1}{B} and/or {R} (You may pay an additional {1}{B} and/or {R} as you cast this spell.) If Degavolver was kicked with its {1}{B} kicker, it enters the battlefield with two +1/+1 counters on it and with "Pay 3 life: Regenerate Degavolver." If Degavolver was kicked with its {R} kicker, it enters the battlefield with a +1/+1 counter on it and with first strike.

{W}, {T}: Target permanent you control gains protection from instant spells and from sorcery spells until end of turn.

Noncreature spells cost {1} more to cast.

{R}, {T}: Destroy target artifact. That artifact deals damage equal to its mana value to Goblin Tinkerer.

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Flying When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Flying, protection from black Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

When Keldon Firebombers enters the battlefield, each player sacrifices all lands they control except for three.

{T}: Add {C}.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

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

Flying

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

You have shroud. (You can't be the target of spells or abilities.)

{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.

Artifact and enchantment spells your opponents cast cost {2} more to cast. Sacrifice Aura of Silence: Destroy target artifact or enchantment.

At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature. At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave.

Nonwhite creatures with power 3 or greater don't untap during their controllers' untap steps.

Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each player's upkeep, that player sacrifices a green or white permanent.

Play with your hand revealed. If you would draw a card, reveal the top card of your library instead. If it's a creature card, put it into your graveyard. Otherwise, draw a card. Whenever a creature is put into your graveyard from the battlefield, return it to your hand.

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

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

At the beginning of each player's end step, if no creatures attacked this turn, that player sacrifices a creature they controlled since the beginning of the turn.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Players can't untap more than one creature during their untap steps.

Target player sacrifices a creature.

Destroy target artifact or enchantment.

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

As an additional cost to cast this spell, pay X life. Fire Covenant deals X damage divided as you choose among any number of target creatures.

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

Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn.

{T}: Add {C}. {T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

{T}: Add {C}. {T}: Add {B} or {R}. Cinder Marsh doesn't untap during your next untap step.

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

If Kjeldoran Outpost would enter the battlefield, sacrifice a Plains instead. If you do, put Kjeldoran Outpost onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {W}. {1}{W}, {T}: Create a 1/1 white Soldier creature token.

({T}: Add {R}.)

({T}: Add {W}.)

{T}: Add one mana of any type that a land you control could produce.

Salt Flats enters the battlefield tapped. {T}: Add {C}. {T}: Add {W} or {B}. Salt Flats deals 1 damage to you.

Scabland enters the battlefield tapped. {T}: Add {C}. {T}: Add {R} or {W}. Scabland deals 1 damage to you.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

Target player sacrifices a creature. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target opponent sacrifices a creature.

Each player sacrifices a creature.

This spell costs 3 life more to cast for each target. Destroy any number of target creatures.

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control, then sacrifices a third of the lands they control. Round up each time.