Flying
Parley — Whenever this creature attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a Map token. Then each player draws a card. (A Map token is an artifact with ", , Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

, : Add .

, : Target player discards a card. Activate only as a sorcery.
, : This creature deals 1 damage to target opponent or planeswalker.

Delirium — : This creature gets +1/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Trample
Whenever this creature attacks, another target creature you control gains trample and gets +X/+X until end of turn, where X is this creature's power.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When this creature dies, you may draw a card.

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control of their choice. Round up each time.

Assist (Another player can pay up to of this spell's cost.)
: This creature gets +1/+1 until end of turn. Any player may activate this ability.

Prevent all combat damage that would be dealt to players this turn.

This land enters tapped.
: Add or .

For each opponent, choose up to one target creature that player controls. Shellshock deals X damage to each of those creatures. You create a Mutagen token for each creature dealt damage this way. (They're artifacts with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

Flying
When Ezrim enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
, Sacrifice an artifact: Ezrim gains your choice of vigilance, lifelink, or hexproof until end of turn.

Flash
When this creature enters, target creature an opponent controls gets -2/-2 until end of turn. Remove all counters from that creature.

The Last Ride gets -X/-X, where X is your life total.
, Pay 2 life: Draw a card.
Crew 2

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Flashback

, Discard a card: Search your library for a card that shares a complete word in its name with the discarded card, reveal it, put it into your hand, then shuffle.

When this creature enters, mill two cards.
Whenever you cast a spell from your graveyard, tap target creature you don't control.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

: Add one mana of any color that appears on your top. (A top is an outerwear garment worn on the upper body.)

Add seven . You can cast only one more spell this turn.

Whenever Wick or another Rat you control enters, create a 1/1 black Snail creature token if you don't control a Snail. Otherwise, put a +1/+1 counter on a Snail you control.
, Sacrifice a Snail: Wick deals damage equal to the sacrificed creature's power to each opponent. Then draw cards equal to the sacrificed creature's power.