Create a 5/5 blue and red Elemental creature token with flying. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs. Flashback {7}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may pay {2}{U} rather than pay this spell's mana cost. If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Choose one — • Draw X cards. • Invoke the Firemind deals X damage to any target.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Draw four cards.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw X cards.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

You have no maximum hand size. {T}: Add one mana of any color.

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice this artifact: Draw three cards.

This artifact enters tapped. {T}: Add {R}.

This artifact enters tapped. {T}: Add two mana of different colors.

{T}: Add one mana of any color. {3}: This artifact becomes a 3/3 Dinosaur artifact creature until end of turn.

{T}: Add {C}. {T}: Roll the planar die. Activate only as a sorcery.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

When this artifact enters, target opponent loses 1 life and you gain 1 life. {T}: Add {C}.

{T}: Add one mana of any color. {2}, {T}: Exile target card from a graveyard.

If you would roll one or more planar dice, instead roll that many planar dice plus one and ignore one. {T}: Add {C}{C}.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card.

{T}: Add {U} or {R}. {U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice this artifact: Draw two cards.

{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 and the rest on top in any order.)

{T}: Add one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

{3}, {T}: Draw three cards. This ability costs {1} more to activate for each card in your hand.

{T}: Add {C}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

{T}: Add one mana of any color.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {T}, Sacrifice this artifact: You gain 3 life and draw a card. Activate only if you have the city's blessing.

{T}: Add {C} for each artifact you control named Powerstone Shard.

{T}: Add {C}. You gain 1 life.

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

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

This artifact enters tapped. {T}: Add {U}.

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

{T}: Add one mana of any color. {5}, {T}: Tap target creature.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Exile any number of target players' graveyards. Draw a card.

{T}: Add {C}. Put a point counter on this artifact. Whenever a creature deals combat damage to you, remove a point counter from this artifact. Whenever a creature you control deals combat damage to an opponent, put a point counter on this artifact. Then if it has ten or more point counters on it, remove them all and that player loses the game.

{T}: Put an oil counter on this artifact. {T}: Add {C}. Activate only if this artifact has two or more oil counters on it. {1}, {T}: Draw a card. Activate only if this artifact has five or more oil counters on it.

You have no maximum hand size. {T}: Add {C}.

{T}: Add one mana of any color. {3}, {T}: You get {TK} (a ticket counter).

{T}: Add {C}. {7}, {T}, Sacrifice this artifact: Destroy target permanent.

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.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Attacking creatures you control get +1/+0.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Attacking creatures you control get +1/+0.

Whenever a creature you control with power 2 or less attacks, this enchantment deals 1 damage to the player or planeswalker that creature is attacking.

During your turn, creatures you control get +1/+0 and have trample.

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.) Choose one or both — • Counter target spell. • Draw two cards, then discard a card.

Creatures you control get +2/+0 until end of turn.

Draw two cards. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell.

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.) Draw two cards.

Target player draws four cards.

Target player draws X cards.

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.) Draw X cards.

({T}: Add {U}.)