(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.)
If a triggered ability of a permanent you control triggers, that ability triggers an additional time.

Ward
Channel — , Discard this card: Counter target spell or ability unless its controller pays .

Flying
: This creature becomes the creature type of your choice until end of turn.

For each nontoken creature you control, create a token that's a copy of that creature, except it isn't legendary.

Delve
Flying
This creature enters with a +1/+1 counter on it for each instant and sorcery card exiled with it.
Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on this creature.

Flying
When this creature enters, target creature gains flying until end of turn.
, Exile this card from your graveyard: Creatures you control gain flying until end of turn.

Take an extra turn after this one.
If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

This spell can't be countered.
You have no maximum hand size.
Whenever an opponent casts a noncreature spell, draw a card.
Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Flying
When this creature enters, untap up to seven lands.
: Return this creature to its owner's hand.

Moonfolk offering (You may cast this card any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.)
Flying
: Put up to two land cards from your hand onto the battlefield tapped.

Flash
This spell can't be countered.
Prowess
Return three lands you control to their owner's hand: Return this creature to its owner's hand.

When this creature enters, each opponent creates a 1/1 red Pirate creature token with "This token can't block" and "Creatures you control attack each combat if able."
Spells your opponents cast that target this creature cost more to cast.

You may have this creature enter as a copy of any creature on the battlefield, except it's 7/7.

Affinity for artifacts
Look at the top seven cards of your library. You may reveal up to two artifact cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

(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.)
Other permanents you control have hexproof.

Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards.

Flying
Spells you cast from anywhere other than your hand cost less to cast.
Foretell

Flying
Whenever this creature attacks or blocks, scry 2.

When this creature enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

Flying
When this creature enters, you may cast target instant, sorcery, or artifact card from your graveyard without paying its mana cost. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead.

When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

This creature can't be blocked as long as defending player controls an artifact.

If there are three or more Lesson cards in your graveyard, you may cast this spell as though it had flash.
This spell costs less to cast for each noncreature, nonland card in your graveyard.

This creature can't attack unless defending player controls an Island.
Cycling

Flying
Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

Flying
When this creature enters, each opponent mills ten cards.

This spell can't be countered.
Flying
Hexproof
Instant and sorcery spells you control can't be countered.

Flying
When this creature enters, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Hexproof
Whenever this creature attacks, scry 1.

Enchant creature
You control enchanted creature.
Enchanted creature gets +2/+2 and has flying.