Flash
Ward — Waterbend .
Whenever an opponent draws their second card each turn, you draw two cards.

Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Flash
Flying
When The Wasp enters, target Hero gains hexproof until end of turn.
Whenever The Wasp attacks, tap target creature defending player controls.

The Watcher in the Water enters tapped with nine stun counters on it.
Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token.
Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.

Blue spells you cast cost less to cast.
If an opponent would mill one or more cards, they mill that many cards plus four instead.
, : Each opponent mills cards equal to the number of cards in your hand.

Flash
Flying
Wasp's Sting — When The Wondrous Wasp enters, tap up to one target creature. It loses all abilities for as long as The Wondrous Wasp remains on the battlefield.

Draw a card for each tapped creature target opponent controls.

Whenever a nontoken creature an opponent controls enters this turn, create a token that's a copy of that creature.

Flash
When this creature enters, empower Jace 3.
, Sacrifice this creature: The next spell you cast this turn can't be countered.

Exile target creature you control, then return it to the battlefield under its owner's control.

They're
Instant — Lesson
Up to three target creatures can't be blocked this turn.

Their
Instant — Lesson
Target opponent gains control of target creature you control.

As There's No Folk Like Merfolk enters, choose a word with four or more letters.
At the beginning of your upkeep, name a movie whose title contains the chosen word. You can't name a movie twice. If you don't, sacrifice There's No Folk Like Merfolk.

Choose one —
• Target nonsnow permanent becomes snow until end of turn.
• Target snow permanent isn't snow until end of turn.
Draw a card at the beginning of the next turn's upkeep.

When this enchantment enters, manifest dread twice.
Whenever a face-down creature you control enters, draw a card.

Job select
Equipped creature gets +1/+1, has "Whenever this creature deals combat damage to a player, draw a card," and is a Rogue in addition to its other types.
Equip

Prowl
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying
Whenever Thieving Aven deals combat damage to a player, heist target opponent's library.
Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven.

Flying
Whenever this creature deals damage to an opponent, draw a card.

Whenever this creature deals damage to an opponent, draw a card.

Kicker . X can't be 0.
Flying
When this creature enters, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to this creature.

Whenever this creature attacks, sacrifice it unless you sacrifice an Island.

Defender
This creature enters with four ice counters on it.
Whenever you cast an instant or sorcery spell, remove an ice counter from this creature. Then if it has no ice counters on it, transform it.

At the beginning of your upkeep, surveil 1.

Draw a card.
Flashback

: Draw two cards.

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of your upkeep, sacrifice this Aura unless you pay .

Draw three cards. Then discard two cards unless you discard a basic land card.

Draw three cards. Then discard two cards unless you discard a creature card.

Draw three cards. Then discard two cards unless you discard an artifact card.

Draw three cards. Then discard two cards unless you discard an enchantment card.

This spell costs less to cast if it targets a permanent you control.
Return up to two target nonland permanents to their owners' hands.