Return all attacking creatures to their owner's hand.

Join forces -- Starting with you, each player may pay any amount of mana. Each player creates X 1/1 white Soldier creature tokens, where X is the total amount of mana paid this way.

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

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

{W}{U}, {T}, Sacrifice Azorius Cluestone: Draw a card.

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

{W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

Vigilance

Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

Body of Knowledge's power and toughness are each equal to the number of cards in your hand.

You have no maximum hand size.

Whenever Body of Knowledge is dealt damage, draw that many cards.

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

{1}, {T}: Roll a d4 and create a number of Treasure tokens equal to the result. The player to your right gains control of Bucknard's Everfull Purse.

Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.

When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)

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

Sacrifice Commander's Sphere: Draw a card.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

{U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card.

You have no maximum hand size.

{T}: Add one mana of any color.

Flash

At the beginning of each player's draw step, that player draws an additional card.

Flying

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

Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

Players have no maximum hand size.

{X}{X}, {T}: Each player draws X cards.

{2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

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

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

Each player may play an additional land on each of their turns.

At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Spells cost {1} less to cast.

Whenever a player casts an instant or sorcery spell, each other player copies that spell. Each of those players may choose new targets for their copy.

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.

+2: Each player draws a card.

-1: Target player draws a card.

-10: Target player mills twenty cards.

At the beginning of each player's draw step, that player draws an additional card.

{T}: Each player may draw a card, then each player who drew a card this way gains 1 life.

If you would draw a card while your library has no cards in it, you win the game instead.

You may have Machine God's Effigy enter the battlefield 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}.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

Marble Diamond enters the battlefield tapped.

{T}: Add {W}.

Join forces -- Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Whenever you draw a card, put a foreshadow counter on Ominous Seas.

Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.

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

Flying

Whenever you draw a card, put a +1/+1 counter on Oneirophage.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Each player draws X cards.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

{T}: Return three target cards from an opponent's graveyard to their hand. Return target creature card from your graveyard to the battlefield.

{2}, {T}: You may tap or untap target creature.

{2}: Target creature gains flying until end of turn. Any player may activate this ability.

Partner with Brallin, Skyshark Rider

Flying

Whenever you draw a card, put a +1/+1 counter on Shabraz, the Skyshark and you gain 1 life.

{W/U}: Target Human gains flying until end of turn.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

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}: Choose a player. That player adds one mana of any color they choose.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

{T}: Add {C}.

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

{T}: Each player draws a card.

Tempting offer -- Choose target creature you control. Create a token that's a copy of that creature. Each opponent may create a token that's a copy of that creature. For each opponent who does, create a token that's a copy of that creature.

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

You have no maximum hand size.

{T}: Add {C}.

You may activate abilities of creatures you control as though those creatures had haste.

{1}, {T}: Untap target creature.

Any player may cast spells as though they had flash.

Your opponents can't cast spells during your turn.

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.

{T}: Untap another target permanent.

Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card.

Untap Victory Chimes during each other player's untap step.

{T}: A player of your choice adds {C}.

{T}: Untap another target permanent.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

When you cycle Vizier of Tumbling Sands, untap target permanent.

Defender, flying

Cumulative upkeep--An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Well of Ideas enters the battlefield, draw two cards.

At the beginning of each other player's draw step, that player draws an additional card.

At the beginning of your draw step, draw two additional cards.

Flying

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

{2}: Target creature gains protection from the color of its controller's choice until end of turn. Any player may activate this ability.