Flying

When Alabaster Dragon dies, shuffle it into its owner's library.

Lifelink

White spells you cast cost more to cast.

Choose one —

• Target player gains X life.

• Prevent the next X damage that would be dealt to any target this turn.

Whenever Alaborn Cavalier attacks, you may tap target creature.

Reach (This creature can block creatures with flying.)

: Target creature gets +2/+2 until end of turn. Activate only during your turn, before attackers are declared.

Flying

At the beginning of your upkeep, return target Spirit card from your graveyard to your hand.

( can be paid with one mana from a snow source.)

When Arcum's Astrolabe enters, draw a card.

, : Add one mana of any color.

Flying

: Balshan Collaborator gets +1/+1 until end of turn.

When you unlock this door, return target creature card from your graveyard to your hand.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Instant and sorcery spells you cast cost less to cast.

To solve — You've cast four or more instant and sorcery spells this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Whenever you cast an instant or sorcery spell, draw a card.

Elaborate Firecannon doesn't untap during your untap step.

, : Elaborate Firecannon deals 2 damage to any target.

At the beginning of your upkeep, you may discard a card. If you do, untap Elaborate Firecannon.

Destroy target tapped creature. You gain 2 life.

When you unlock this door, manifest dread, then put two +1/+1 counters and a trample counter on that creature.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

As Hydroelectric Laboratory enters, you may pay 3 life. If you don't, it enters tapped.

: Add .

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Create a 1/1 black Rat creature token.

At the beginning of each end step, draw a card if you've cast a spell from a graveyard or activated an ability of a card in a graveyard this turn.

When this creature enters, return target host card or card with augment from your graveyard to your hand.

Heroic — Whenever you cast a spell that targets Labyrinth Champion, Labyrinth Champion deals 2 damage to any target.

Whenever Labyrinth Minotaur blocks a creature, that creature doesn't untap during its controller's next untap step.

Menace

Whenever a creature you control with menace becomes blocked, defending player sacrifices a creature of their choice that's blocking it.

: Creatures you control with menace get +1/+0 until end of turn.

, : Untap X target lands.

First strike

: Pardic Collaborator gets +1/+1 until end of turn.

Equipped creature gets +2/+1 and has protection from die rolls. (Nothing that lets a player roll a die can block, target, deal damage to, or attach to equipped creature.)

Equip

: Add .

, : Return target Wizard you control to its owner's hand.

Whenever equipped creature attacks, you may return a land you control to its owner's hand. If you do, the creature gets +2/+2 until end of turn.

Equip

Whenever a creature you control deals combat damage to a player, turn that creature face up or put a +1/+1 counter on it.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Imprint — When Ugin's Labyrinth enters, you may exile a colorless card with mana value 7 or greater from your hand.

: Add . If a card is exiled with Ugin's Labyrinth, add instead.

: Return the exiled card to its owner's hand.

As Volrath's Laboratory enters, choose a color and a creature type.

, : Create a 2/2 creature token of the chosen color and type.