When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

{X}, {T}: Untap X target lands.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of each player's end step, that player sacrifices an untapped land.

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Whenever Howling Golem attacks or blocks, each player draws a card.

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

At the beginning of each upkeep, untap all creatures and lands.

At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.

Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

At the beginning of each player's precombat main phase, that player adds {G}{G}.

Each player puts a creature card from their graveyard onto the battlefield.

Whenever a creature dies, that creature's controller may draw a card.

At the beginning of each player's draw step, that player draws two additional cards.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Spells cost {1} less to cast.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Suspend 3—{1}{G}{G} Starting with you, each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles.

{T}: Put a charge counter on Otherworld Atlas. {T}: Each player draws a card for each charge counter on Otherworld Atlas.

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice. {2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

At the beginning of each player's draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

Whenever a player casts a creature spell, that player adds {G}.

{T}: Each player draws a card.

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

Any player may cast creature and enchantment spells as though they had flash.

Untap Victory Chimes during each other player's untap step. {T}: A player of your choice adds {C}.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

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

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life.

For each player, choose friend or foe. Each friend searches their library for a land card, puts it onto the battlefield tapped, then shuffles. Each foe sacrifices an artifact or enchantment they control.

At the beginning of each player's upkeep, Primal Order deals damage to that player equal to the number of nonbasic lands they control.

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.

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

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

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

({T}: Add {G}.)

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

Savage Lands enters the battlefield tapped. {T}: Add {B}, {R}, or {G}.

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Prevent all combat damage that would be dealt this turn.

Destroy each nonland permanent with mana value X or less.

Permanents you control gain hexproof and indestructible until end of turn.

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

Destroy target artifact or creature. It can't be regenerated.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

All creatures have vigilance. At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. Angel's Trumpet deals damage to the player equal to the number of creatures tapped this way.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.