When this creature enters, destroy up to three other target nonland permanents. For each of those permanents, its controller creates a 3/3 white Angel creature token with flying.

Ward
Other creatures you control have ward .
Whenever Storvald enters or attacks, choose one or both —
• Target creature has base power and toughness 7/7 until end of turn.
• Target creature has base power and toughness 1/1 until end of turn.

Flying, vigilance
: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control.

Trample, haste
When The Balrog of Moria dies, you may exile it. When you do, for each opponent, exile up to one target creature that player controls.
Cycling
When you cycle this card, create two Treasure tokens.

Artifact creatures you control get +2/+2.
Whenever The Borg Queen enters or attacks, target opponent exiles cards from the top of their library until they exile a creature card. Assimilate that card. They put the rest on the bottom in a random order.

Haste
Whenever Thraximundar attacks, defending player sacrifices a creature of their choice.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

More Than Meets the Eye
Ward
Whenever Ultra Magnus attacks, you may put an artifact creature card from your hand onto the battlefield tapped and attacking. If you do, convert Ultra Magnus at end of combat.

Flying, trample
Whenever Ureni enters or attacks, look at the top eight cards of your library. You may put a Dragon creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Flying, lifelink
Sacrifice a creature: Put X +1/+1 counters on Vish Kal, where X is the sacrificed creature's power.
Remove all +1/+1 counters from Vish Kal: Target creature gets -1/-1 until end of turn for each +1/+1 counter removed this way.

Flying, first strike, vigilance, trample
At the beginning of each combat, until end of turn, each other creature you control gets +1/+1 if it has flying, +1/+1 if it has first strike, and so on for double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, vigilance, and partner.
Partner

First strike
When this creature enters, you gain 1 life for each card in your graveyard.

You gain 2 life for each card in your graveyard.
Flashback

Flying
Whenever this creature deals combat damage to a player, roll a d20. You create a number of 1/1 blue Faerie Dragon creature tokens with flying equal to the result.

Flying
When this creature enters, exile all Zombies, then return all Human creature cards from your graveyard to the battlefield.

Flash
Flying
When this creature enters, if you cast it from your hand, exile all attacking creatures.

Flying
When this creature enters, exile up to two target artifacts and/or enchantments.
Plainscycling

Flying
Each opponent who cast a spell this turn can't attack with creatures.
Each opponent who attacked with a creature this turn can't cast spells.

Flying, vigilance
Whenever Appa or another Ally you control enters, creatures you control get +1/+1 and gain flying and vigilance until end of turn.

Flying, vigilance

Flying
As this creature enters, each player chooses war or peace.
Creatures controlled by players who chose war get +3/+0.
Creatures controlled by players who chose peace get +0/+3.

When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.
Flying, vigilance
(Melds with Gisela, the Broken Blade.)

Flying
Whenever Captain Marvel enters or attacks, exile up to one target creature. That creature's controller gains life equal to its power.
Whenever a creature other than Captain Marvel is exiled from the battlefield, you gain life equal to its power.

When this creature enters, each creature target opponent controls loses all abilities, becomes a Coward in addition to its other types, and has base power and toughness 1/1.

Create X 1/1 white Soldier creature tokens, where X is the number of creatures on the battlefield.

Exile all permanents. For as long as any of those cards remain exiled, at the beginning of each player's upkeep, that player returns one of the exiled cards they own to the battlefield.

Flying
Whenever another Spirit you control enters, you gain 2 life.
: Create a 1/1 white Spirit creature token with flying.

Vigilance
Other creatures you control get +2/+2.
Creatures your opponents control get -2/-2.

Flying
Landfall — Whenever a land you control enters, you may return target nonland permanent card from your graveyard to your hand. If that land is a Plains, you may return that nonland permanent card to the battlefield instead.

Search your library for an enchantment card, put it onto the battlefield, then shuffle.
Epic

Flying
: Return this card from your graveyard to your hand. Activate only during your upkeep.
Plainscycling