Return target creature to its owner's hand. You create a token that's a copy of that creature.

Exile all creatures you control. At the beginning of the next end step, reveal cards from the top of your library until you reveal that many creature cards, put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

Flying
Morph
When this creature is turned face up, return all other tapped creatures to their owners' hands.

Counter target spell. If a permanent spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Whenever this creature attacks, you may tap two other untapped creatures you control. If you do, this creature can't be blocked this turn.
Islandcycling

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

End the turn. (Exile all spells and abilities on the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
Whenever this creature enters or attacks, you may draw a card for each other creature you control that shares a creature type with it. If you do, discard a card.

Whenever you draw a card, you may pay . When you do, you may tap or untap target creature.

Flash
When this creature enters, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Flash
Flying
When this creature enters, if you cast it, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard, then you may cast it without paying its mana cost.

Target artifact or creature becomes a copy of another target artifact or creature.

Cast this spell only if you control two or more Doctors.
Take an extra turn after this one. Exile Twice Upon a Time.

When Ultimecia enters, tap all creatures your opponents control.
Whenever a creature you control deals combat damage to a player, draw a card.

Flash
This creature enters tapped.

Flying
Sphinx spells you cast cost less to cast.
Whenever Unesh or another Sphinx you control enters, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Return all permanents to their owners' hands.

Flying
, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Buyback — Sacrifice three Islands.
Target player takes an extra turn after this one.

Champion a Merfolk
Whenever this creature deals combat damage to a player, you may sacrifice a Merfolk. If you do, take an extra turn after this one.

Flying
This creature enters with an oil counter on it.
When this creature dies, draw cards equal to the number of oil counters on it.

Return up to two target creatures to their owners' hands.

When this enchantment enters, if you cast it, shuffle your hand and graveyard into your library, then draw seven cards.
The first spell each player casts during each of their turns may be cast without paying its mana cost.

Target player draws two cards, then discards a card.
Airbend up to two target creatures.

Delve
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Flying
Cycling
When you cycle this card, target creature gains flying until end of turn.