Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another. (For example, you may change "nonblack creature" to "nongreen creature" or "forestwalk" to "plainswalk." This effect lasts indefinitely.)

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Enchant creature
You control enchanted creature.

Dominate Monster — When this creature enters, gain control of target creature for as long as you control this creature.

Buyback
Tap target artifact, creature, or land.

Enchant red or green creature
Cumulative upkeep
You control enchanted creature.

Discard a card: You may tap or untap target artifact, creature, or land.

Target opponent mills seven cards.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.)
Target player draws three cards. If the gift was promised, tap target creature an opponent controls and put a stun counter on it.

Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/5.
Draw a card.

At the beginning of your upkeep, put a lore counter on this enchantment, then draw a card for each lore counter on this enchantment.

If an opponent cast three or more spells this turn, you may pay rather than pay this spell's mana cost.
Exile any number of target spells.

You draw two cards and target opponent discards two cards.

Flying
When this creature dies, target player mills five cards.

Flying
Whenever this Vehicle becomes crewed for the first time each turn, until end of turn, this Vehicle becomes a copy of target nonlegendary creature that crewed it this turn, except it's 4/3, it's a Vehicle artifact in addition to its other types, and it has flying.
Crew 1

Players can't search libraries.

Heroic — Whenever you cast a spell that targets this creature, exile the top three cards of target player's library.
, Sacrifice this creature: Counter target spell with the same name as a card exiled with this creature.

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost.
Storm

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

Flying
Whenever this creature deals combat damage to an opponent, target player mills four cards.

When this creature enters, empower Jace 4.

Flying
: Target player mills a card. This creature gets +X/+X until end of turn, where X is the milled card's mana value.

Flash
At the beginning of your upkeep, put an oil counter on this artifact.
Instant and sorcery spells you cast cost less to cast for each oil counter on this artifact.

Exhaust — , : Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)

Counter target spell unless its controller pays .

At the beginning of your upkeep, surveil 1.
Threshold — As long as there are seven or more cards in your graveyard, creatures your opponents control get -1/-0.

When this creature enters, you get .
, Pay : Target player mills three cards.

Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This token gets +1/+0 for each other Illusion you control."
Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.

Counter target spell with mana value 1 or less.