Acidic Soil deals damage to each player equal to the number of lands they control.

Each player sacrifices all permanents they control that are one or more colors.

Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

Hexproof

Creatures your opponents control attack each combat if able.

Flying

Anya, Merciless Angel gets +3/+3 for each opponent whose life total is less than half their starting life total.

As long as an opponent's life total is less than half their starting life total, Anya has indestructible.

Creatures you control have trample.

Creatures your opponents control lose trample and can't have or gain trample.

Creatures you control have first strike.

Creatures your opponents control lose first strike and can't have or gain first strike.

Creatures you control have hexproof.

Creatures your opponents control lose hexproof and can't have or gain hexproof.

Creatures you control have deathtouch.

Creatures your opponents control lose deathtouch and can't have or gain deathtouch.

Creatures you control have flying.

Creatures your opponents control lose flying and can't have or gain flying.

Flying

At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Deathtouch, lifelink

Other legendary creatures you control get +2/+2.

Flash

Flying

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

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

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

At the beginning of the end step, sacrifice Ball Lightning.

When Bane of Progress enters the battlefield, destroy all artifacts and enchantments. Put a +1/+1 counter on Bane of Progress for each permanent destroyed this way.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Prowess

When Bedlam Reveler enters the battlefield, discard your hand, then draw three cards.

Other creatures you control get +1/+1.

Each player draws three cards, then discards three cards at random.

({W/P} can be paid with either {W} or 2 life.)

Defender

When Cathedral Membrane dies during combat, it deals 6 damage to each creature it blocked this combat.

Haste

Threshold -- As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters the battlefield, creatures you control get +1/+1 and gain trample until end of turn."

Trample

When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Destroy all enchantments.

Threshold -- If seven or more cards are in your graveyard, instead destroy all enchantments, then return all cards in your graveyard destroyed this way to the battlefield.

Flying

When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

Whenever Coalhauler Swine is dealt damage, it deals that much damage to each player.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Cold-Eyed Selkie deals combat damage to a player, you may draw that many cards.

First strike

When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

Copperhoof Vorrac gets +1/+1 for each untapped permanent your opponents control.

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Creatures you control have haste.

Each player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Deathtouch

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Whenever Deadeye Brawler deals combat damage to a player, if you have the city's blessing, draw a card.

Constellation -- Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn.

Defender

Whenever you cast an instant or sorcery spell, Electrostatic Field deals 1 damage to each opponent.

Flying

Whenever the fourth spell of a turn is cast, flip Erayo, Soratami Ascendant.

Whenever an opponent casts their first spell each turn, counter that spell.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

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

Creatures your opponents control get -1/-0.

Haste

Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

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

Creatures your opponents control enter the battlefield tapped.

Destroy all creatures you don't control and all planeswalkers you don't control.

Whenever Infectious Horror attacks, each opponent loses 2 life.

Haste

Battalion -- Whenever Legion Loyalist and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn.

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

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

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card.

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.

If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Haste; fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Lightning Reaver deals combat damage to a player, put a charge counter on it.

At the beginning of your end step, Lightning Reaver deals damage equal to the number of charge counters on it to each opponent.

Flying

When Liliana's Specter enters the battlefield, each opponent discards a card.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Each opponent's maximum hand size is reduced by two.

Nonartifact spells cost {1} more to cast.

Nonbasic lands are Mountains.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Each player shuffles their graveyard into their library.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Protection from black

Threshold -- As long as seven or more cards are in your graveyard, Mystic Enforcer gets +3/+3 and has flying.

When Noggle Ransacker enters the battlefield, each player draws two cards, then discards a card at random.

Vigilance

Other creatures you control get +0/+2 and have vigilance.

Each opponent sacrifices an artifact creature and a nonartifact creature.

Destroy all nonland permanents.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Return all legendary permanent cards from your graveyard to the battlefield.

This spell can't be countered.

Creature spells you control can't be countered.

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Flying

When Rishadan Brigand enters the battlefield, each opponent sacrifices a permanent unless they pay {3}.

Rishadan Brigand can block only creatures with flying.

When Rishadan Cutpurse enters the battlefield, each opponent sacrifices a permanent unless they pay {1}.

When Rishadan Footpad enters the battlefield, each opponent sacrifices a permanent unless they pay {2}.

Searing Wind deals 10 damage to any target.

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 3 life.

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

Flying

When Soaring Show-Off enters the battlefield, each player draws a card.

Each opponent can't cast instant or sorcery spells during that player's next turn.

Threshold -- Springing Tiger gets +2/+2 as long as seven or more cards are in your graveyard.

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

Flying

When Sunblast Angel enters the battlefield, destroy all tapped creatures.

This spell can't be countered.

Destroy all creatures.

Flash

This spell can't be countered.

Creature spells you control can't be countered.

Other creatures you control have trample.

Reveal the top three cards of your library. For each of those cards, put that card into your hand unless any opponent pays 3 life. Then exile the rest.

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

Each other player discards a card. You draw a card for each card discarded this way.

First strike

Noncreature spells cost {1} more to cast.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Whenever Thornbow Archer attacks, each opponent who doesn't control an Elf loses 1 life.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.

Flying, vigilance

When Twilight Shepherd enters the battlefield, return to your hand all cards in your graveyard that were put there from the battlefield this turn.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Creatures you control have haste.

Creatures your opponents control enter the battlefield tapped.

Whenever Vicious Conquistador attacks, each opponent loses 1 life.

Each player draws two cards.

This spell can't be countered.

Volcanic Fallout deals 2 damage to each creature and each player.

Defender (This creature can't attack.)

Walking Archive enters the battlefield with a +1/+1 counter on it.

At the beginning of each player's upkeep, that player draws a card for each +1/+1 counter on Walking Archive.

{2}{W}{U}: Put a +1/+1 counter on Walking Archive.

Each player shuffles all permanents they own into their library, then reveals that many cards from the top of their library. Each player puts all artifact, creature, and land cards revealed this way onto the battlefield, then does the same for enchantment cards, then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library.

Each player sacrifices all artifacts, enchantments, and nonbasic lands they control. For each land sacrificed this way, its controller may search their library for a basic land card and put it onto the battlefield tapped. Then each player who searched their library this way shuffles.

Reach

When Whiptongue Hydra enters the battlefield, destroy all creatures with flying. Put a +1/+1 counter on Whiptongue Hydra for each creature destroyed this way.

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

You draw two cards, then each other player draws a card.

Trample

When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample.

When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.

Each opponent sacrifices a land.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.