Flying

Whenever All-Seeing Arbiter enters the battlefield or attacks, draw two cards, then discard a card.

Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard.

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

Commander creatures you control get +2/+2 and have indestructible.

Enchant creature

When Bind the Monster enters the battlefield, tap enchanted creature. It deals damage to you equal to its power.

Enchanted creature doesn't untap during its controller's untap step.

Counter target spell.

Madness {3}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Counter target spell.

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

As long as enchanted creature is legendary, it gets +1/+1 and has ward {1}. (Whenever enchanted creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

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

Sacrifice Commander's Sphere: Draw a card.

Counter target spell.

Enchant creature

Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

You have no maximum hand size.

{T}: Add one mana of any color.

Flying

As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay.

Whenever you cast a blue permanent spell, draw a card.

Enchant nonland permanent

Enchanted permanent can't attack or block, and its activated abilities can't be activated.

{3}: Destroy Detention Vortex. Only your opponents may activate this ability and only as a sorcery.

Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Enchanted creature gets +1/+1.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature

Enchanted creature gets +0/+4.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flying

Spells your opponents cast that target one or more commanders you control cost {3} more to cast.

Partner (You can have two commanders if both have partner.)

Flying

{3}{U}: Create a 1/1 blue Faerie creature token with flying. Draw a card.

Enchant permanent

When Faith's Fetters enters the battlefield, you gain 4 life.

Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Flying

Whenever you attack with two or more creatures, draw a card.

Whenever another player attacks with two or more creatures, they draw a card if none of those creatures attacked you.

Draw two cards, then discard two cards. Untap up to three lands.

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

Enchant creature

Enchanted creature can't block, and its activated abilities can't be activated.

{S}: Enchanted creature gains defender until end of turn. ({S} can be paid with one mana from a snow source.)

Whenever Ghostly Pilferer becomes untapped, you may pay {2}. If you do, draw a card.

Whenever an opponent casts a spell from anywhere other than their hand, draw a card.

Discard a card: Ghostly Pilferer can't be blocked this turn.

Flying

Enchant creature

Enchanted creature has defender.

Enchant creature

Enchanted creature gets +1/+1 and has first strike.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Flying

Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.

Partner (You can have two commanders if both have partner.)

Flying

Whenever a creature attacks you or a planeswalker you control, you may draw a card.

Flying

Iymrith, Desert Doom has ward {4} as long as it's untapped.

Whenever Iymrith deals combat damage to a player, draw a card. Then if you have fewer than three cards in hand, draw cards equal to the difference.

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token.

At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Flying

When Keiga, the Tide Star dies, gain control of target creature.

Exile all nontoken creatures you control, then roll a d20.

1--9 | Return those cards to the battlefield under their owner's control at the beginning of the next end step.

10--20 | Return those cards to the battlefield under their owner's control, then exile them again. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Flying, ward {3}

Architect of Deception -- When Lord of Change enters the battlefield, draw three cards.

Flying

Lieutenant -- At the beginning of combat on your turn, if you control your commander, draw a card.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way.

Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

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

Counter target noncreature spell.

Counter target spell.

Cycling {2} ({2}, Discard this card: Draw a card.)

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Flying

{T}: Add one mana of any color.

Enchant creature

Enchanted creature loses all abilities and is a Coward creature with base power and toughness 0/1. (It keeps all supertypes but loses all other types and creature types.)

Counter target spell. Untap up to four lands.

Counter target spell.

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying, vigilance

Flying

You, planeswalkers you control, and other creatures you control have hexproof.

{4}{G}{G}: Put a +1/+1 counter on each creature you control.

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Slither Blade can't be blocked.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Flash (You may cast this spell any time you could cast an instant.)

Flying

{3}{U}: Draw a card.

Flash

Flying

Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

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

For each player, you choose from among the permanents that player controls an artifact, a creature, an enchantment, and a planeswalker. Then each player sacrifices all other nonland permanents they control.

You have no maximum hand size.

At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.

{3}{U}: Draw a card.

Counter target noncreature spell. Untap up to three lands.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Flying

Suppressing Fire -- Whenever Vanguard Suppressor deals combat damage to a player, draw a card.

Flying

Creature spells with flying you cast cost {1} less to cast.

Return all permanents of the color of your choice to their owners' hands.

Flying

Creature spells with flying you cast cost {1} less to cast.

Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn.

{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.

Choose one --

• Pray for Protection -- Creatures you control gain indestructible until end of turn.

• Strike a Deal -- You and target opponent each draw two cards.