Commander creatures you own have "The first Dragon spell you cast each turn costs {2} less to cast."

Ambitious Dragonborn enters the battlefield with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard.

Flying

Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

{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.

Trample

When Avenging Hunter enters the battlefield, you take the initiative.

Exile target creature you control, then return that card to the battlefield under its owner's control.

Draw a card.

Whenever Carefree Swinemaster attacks, you may pay {1}{G}. If you do, create a 2/2 green Boar creature token that's tapped and attacking.

Equipped creature has flying and haste.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Roll a d20.

1--9 | Tap all creatures your opponents control.

10--19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps.

20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter the battlefield tapped.

Roll a d20.

1--9 | Draw two cards.

10--19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

This spell costs {2} less to cast if you control a Dragon.

Draw three cards.

Counter target spell. Its controller draws a card.

Draw a card.

You may mill three cards. Then return up to one creature card and up to one land card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

You may mill three cards. Then return up to one creature card and up to one land card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Flying, trample

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Counter target activated or triggered ability from a noncreature source. (Then exile this card. You may cast the creature later from exile.)

Flying, trample

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Counter target activated or triggered ability from a noncreature source. (Then exile this card. You may cast the creature later from exile.)

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

When Feywild Caretaker enters the battlefield, you take the initiative.

At the beginning of your end step, if you have the initiative, create a 1/1 blue Faerie Dragon creature token with flying.

Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Exile target spell, then roll a d20 and add that spell's mana value.

1--14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

You may look at the top card of your library any time.

You may cast Dragon spells from the top of your library.

{T}: Add {U}. When you spend this mana to cast a Dragon creature spell, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

When equipped creature deals combat damage to a player, sacrifice Mystery Key. If you do, draw three cards.

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

Bigby's Hand -- {T}: Untap two other target permanents. Activate only as a sorcery and only once each turn.

Target creature gains deathtouch until end of turn.

Draw a card.

Flying

{2}{U}: Target creature gains flying until end of turn.

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you scry 2.

Commander creatures you own have "{2}{U}: This creature becomes a copy of another target creature."

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Flash

Enchant creature

When Stunning Strike enters the battlefield, tap enchanted creature and remove it from combat.

As long as enchanted creature isn't legendary, it doesn't untap during its controller's untap step.

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

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Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Search your library for up to X basic land cards, where X is the greatest power among creatures you control. Put those cards onto the battlefield tapped, then shuffle.

Vigilance

{T}: Add an amount of {C} equal to Vhal, Candlekeep Researcher's toughness. This mana can't be spent to cast spells from your hand.

Choose a Background (You can have a Background as a second commander.)

Flying

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Scry 1, then draw a card. (Then exile this card. You may cast the creature later from exile.)