When Nihiloor enters, for each opponent, tap up to one untapped creature you control. When you do, gain control of target creature that player controls with power less than or equal to the tapped creature's power for as long as you control Nihiloor. Whenever you attack with a creature an opponent owns, you gain 2 life and that player loses 2 life.

At the beginning of each opponent's upkeep, you manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever a creature you control but don't own dies, its owner loses 2 life and you gain 2 life.

Exile target creature you control, then return that card to the battlefield under your control.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)

Flash When this enchantment enters, tap X target creatures. Put a stun counter on each of those creatures you don't control. (If a permanent with a stun counter would become untapped, remove one from it instead.) Tapped creatures you control have hexproof.

Flash When this enchantment enters, target creature an opponent controls gets -3/-3 until end of turn. Creatures your opponents control can be the targets of spells and abilities as though they didn't have hexproof. Ward abilities of those creatures don't trigger.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy target creature or planeswalker. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Choose one — • Destroy all tapped creatures. • Destroy all untapped creatures.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

This land enters tapped. {T}: Add {W}, {U}, or {B}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, sacrifice it unless you return an untapped Island you control to its owner's hand. {T}: Add {C}{U}.

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

{T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. ({C} represents colorless mana.) {T}, Tap an untapped creature you control: Add one mana of any color.

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

({T}: Add {U}.)

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

If this land would enter, sacrifice two untapped lands instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add three mana of any one color.

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {W}, {U}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color. {2}, Sacrifice this land: Draw a card.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {B}.

If this land would enter, sacrifice an untapped Island instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {C}{U}. {1}, {T}: Scry 1.

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

When this artifact enters, 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 this artifact. Untap it.

Vigilance {T}: Add one mana of any color. Activate only if this permanent is a creature. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

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

You may have this artifact enter as a copy of any creature on the battlefield, except it's an artifact and it has "{T}: Add {U}." (It's not a creature.) {T}: Add {U}.

{T}, Tap an untapped artifact or creature you control: Add {C}. Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

Nyx Lotus enters tapped. {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.)

Equipped creature has "{T}: Add one mana of any color." Equip {1}

{2}, {T}: Add one mana of any color. Put a brick counter on this artifact. {T}: Add three mana of any one color. Activate only if there are three or more brick counters on this artifact.

{T}, Tap an untapped creature you control: Add one mana of any color.

{4}, {T}: Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery.

Tap an untapped creature you control: Tap target artifact, creature, or land.

As an additional cost to cast this spell, tap four untapped creatures you control. Draw three cards.

Flying When this creature enters, untap all creatures you control. Forecast — Tap two untapped white and/or blue creatures you control, Reveal this card from your hand: Draw a card. (Activate only during your upkeep and only once each turn.)

Whenever this creature becomes tapped, you may draw a card.

Whenever this creature becomes tapped, exile up to one target nonland, nontoken permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Whenever this creature becomes tapped, each opponent loses 1 life and you gain 1 life.

Whenever this creature becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped.

Whenever this creature becomes tapped, you may create a 1/1 blue Merfolk Wizard creature token.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card." Other artifact creatures you control get +1/+1. {U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.)

{T}: Untap target artifact or creature. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Untap all nonland permanents you control.

Flying Untap all creatures you control during each other player's untap step.

{T}: You may tap or untap another target permanent. Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Untap another target permanent you control. {T}, Collect evidence 3: Tap target creature you don't control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

{W}, {T}, Untap a tapped creature you control: Create a 1/1 green and white Citizen creature token. {W}{W}, {T}, Untap two tapped creatures you control: Draw a card. {W}{W}{W}{W}{W}, {T}, Untap fifteen tapped creatures you control: You win the game.

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

{T}: Untap another target permanent. {T}: Untap two other target legendary creatures.

{T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands.

Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

At the beginning of your end step, untap all nonland permanents you control.

Flying Inspired — Whenever this creature becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

Inspired — Whenever this creature becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle.

Inspired — Whenever King Macar becomes untapped, you may exile target creature. If you do, create a Gold token. (It's an artifact with "Sacrifice this token: Add one mana of any color.")

Inspired — Whenever this creature becomes untapped, reveal the top card of your library and put that card into your hand. You lose life equal to that card's mana value.