Exile the top three cards of your library. Until end of turn, you may play cards exiled this way. (If you cast a spell this way, you still pay its costs. You can play a land this way only if you have an available land play remaining.)

Defender

When Akroan Horse enters the battlefield, an opponent gains control of it.

At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Exile the top seven cards of your library. Until end of turn, you may cast spells from among them.

If this spell was cast from your hand, add ten mana of any one color.

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.)

Azorius Guildgate enters the battlefield tapped.

{T}: Add {W} or {U}.

{1}, {T}: Add {W}{U}.

{T}: Target player gains control of target artifact, creature, or land you control.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Exile target creature an opponent controls. That player reveals cards from the top of their library until a creature card is revealed. The player puts that card onto the battlefield, then shuffles the rest into their library.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Boros Guildgate enters the battlefield tapped.

{T}: Add {R} or {W}.

{1}, {T}: Add {R}{W}.

Enchant creature

At the beginning of your end step, clash with an opponent. If you win, gain control of enchanted creature. Otherwise, that player gains control of enchanted creature. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Whenever one or more loyalty counters are removed from Chandra, Fire Artisan, she deals that much damage to target opponent or planeswalker.

+1: Exile the top card of your library. You may play it this turn.

-7: Exile the top seven cards of your library. You may play them this turn.

First strike

At the beginning of your upkeep, target opponent gains control of Chaos Lord if the number of permanents is even.

Chaos Lord can attack as though it had haste unless it entered the battlefield this turn.

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

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.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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

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

Sacrifice Commander's Sphere: Draw a card.

Whenever an artifact, creature, or enchantment enters the battlefield, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

When Coveted Jewel enters the battlefield, draw three cards.

{T}: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

Whenever a creature attacks you or a planeswalker you control, it gets +2/+0 until end of turn.

{2}: Target player other than Crown of Doom's owner gains control of it. Activate only during your turn.

Enchant creature

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

Undaunted (This spell costs {1} less to cast for each opponent.)

Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.

Flying

Djinn of Wishes enters the battlefield with three wish counters on it.

{2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it.

Target player gains control of target permanent you control.

Flying

Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards.

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

Flying

Whenever Dream Pillager deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

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

Addendum -- If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Reveal cards from the top of your library until you reveal three nonland cards. Put the nonland cards revealed this way into your hand, then put the rest of the revealed cards on the bottom of your library in any order.

Whenever Fickle Efreet attacks or blocks, flip a coin at end of combat. If you lose the flip, an opponent gains control of Fickle Efreet.

Flood Plain enters the battlefield tapped.

{T}, Sacrifice Flood Plain: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

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

Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.

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.)

Whenever Goblin Cadets blocks or becomes blocked, target opponent gains control of it. (This removes Goblin Cadets from combat.)

{2}: Goblin Festival deals 1 damage to any target. Flip a coin. If you lose the flip, choose one of your opponents. That player gains control of Goblin Festival.

Whenever a spell or ability is put onto the stack, if it has a single target, reselect its target at random. (Select from among all legal targets.)

At the beginning of your upkeep, target opponent reveals the top three cards of their library, may put a creature card from among them onto the battlefield, then puts the rest into their graveyard. You do the same with the top three cards of your library. If two creatures are put onto the battlefield this way, those creatures fight each other.

Put all creatures on the bottom of their owners' libraries.

Target opponent gains control of target permanent you control.

Highland Lake enters the battlefield tapped.

{T}: Add {U} or {R}.

{T}: Add {C}.

{T}: Each player gains control of all creatures they own.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

Each player may bid life for control of target creature. You start the bidding with a bid of 0. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and gains control of the creature. (This effect lasts indefinitely.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

{T}: Add {U} or {R}.

{1}, {T}: Add {U}{R}.

At the beginning of your end step, target opponent gains control of Jinxed Choker and puts a charge counter on it.

At the beginning of your upkeep, Jinxed Choker deals damage to you equal to the number of charge counters on it.

{3}: Put a charge counter on Jinxed Choker or remove one from it.

At the beginning of your upkeep, Jinxed Idol deals 2 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Idol.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

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

Meandering River enters the battlefield tapped.

{T}: Add {W} or {U}.

({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}.)

Mystic Monastery enters the battlefield tapped.

{T}: Add {U}, {R}, or {W}.

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

{U}{U}: Attach Neurok Stealthsuit to target creature you control.

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

Choose left or right. Starting with you and proceeding in the chosen direction, each player chooses a creature controlled by the next player in that direction. Each player gains control of the creature they chose.

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Destroy all nonland permanents.

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

Primordial Ooze attacks each combat if able.

At the beginning of your upkeep, put a +1/+1 counter on Primordial Ooze. Then you may pay {X}, where X is the number of +1/+1 counters on it. If you don't, tap Primordial Ooze and it deals X damage to you.

At the beginning of each player's upkeep, that player gains control of Risky Move.

When you gain control of Risky Move from another player, choose a creature you control and an opponent. Flip a coin. If you lose the flip, that opponent gains control of that creature.

Flying

At the beginning of your upkeep, put a wage counter on Rogue Skycaptain. You may pay {2} for each wage counter on it. If you don't, remove all wage counters from Rogue Skycaptain and an opponent gains control of it.

For each nonland permanent, choose a player at random. Then each player gains control of each permanent for which they were chosen. Untap those permanents.

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

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

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Destroy target artifact or creature. That permanent's controller gains control of Starke of Rath. (This effect lasts indefinitely.)

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

{T}: Add {C}.

{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

{T}: Add {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Return a creature you control to its owner's hand, then destroy all creatures.

When Tyrant of Discord enters the battlefield, target opponent chooses a permanent they control at random and sacrifices it. If a nonland permanent is sacrificed this way, repeat this process.

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.

At the beginning of each player's upkeep, that player reveals a card at random from their hand. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

Players can't gain life.

At the beginning of your upkeep, Witch Hunt deals 4 damage to you.

At the beginning of your end step, target opponent chosen at random gains control of Witch Hunt.

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control.

{U}{R}{W}: Target opponent gains control of target permanent you control.