Flying
Whenever another permanent you control leaves the battlefield, if it had counters on it, investigate.

Creatures you control get +1/+1 as long as you control no nonartifact, nonwhite creatures.

Defender
Flying

Split second
You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

, , Sacrifice a green creature, a white creature, and a blue creature: Search your library for a card named Empyrial Archangel, put it onto the battlefield, then shuffle.

You gain 7 life.

Prevent all combat damage that would be dealt this turn.
Cycling

Enchant land
Enchanted land has ", Sacrifice a creature: You gain life equal to the sacrificed creature's toughness."

Enchant Wall
Enchanted Wall can attack as though it didn't have defender.

Toxic 1
When this creature enters, exile target artifact or creature an opponent controls with mana value 3 or less until this creature leaves the battlefield.

Buyback
Prevent the next 3 damage that would be dealt to target creature this turn.

Lifelink
: This creature gets +3/+3 until end of turn.

Vigilance
As this creature enters, look at an opponent's hand, then choose any card name.
Spells your opponents cast with the chosen name cost more to cast.
Activated abilities of sources with the chosen name cost more to activate unless they're mana abilities.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

: Target attacking creature gets +1/+1 until end of turn.

Flying
Whenever a creature attacks, you may pay . When you do, put a +1/+1 counter on that creature.

Whenever a creature token you control enters, you gain 1 life.
Embalm

Whenever a creature token you control enters, you gain 1 life.

Whenever a creature you control enters, you gain 1 life. If this enchantment isn't a creature, it becomes a 3/3 Angel creature with flying in addition to its other types until end of turn.

Create two 2/2 red and white Spirit creature tokens. Then if this spell was cast from anywhere other than your hand, put a +1/+1 counter on each Spirit you control.
Flashback

When Anti-Venom enters, if he was cast, return target creature card from your graveyard to the battlefield.
If damage would be dealt to Anti-Venom, prevent that damage and put that many +1/+1 counters on him.

: Put a +1/+1 counter on Ant-Man.

Flying, vigilance
When Ao dies, choose one —
• Look at the top seven cards of your library. Put any number of nonland permanent cards with total mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
• Put two +1/+1 counters on each permanent you control that's a creature or Vehicle.

First strike, lifelink
Ascend
At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token. Then if you have the city's blessing, for each token you control that entered the battlefield this turn, create a token that's a copy of it.

Multikicker
Flying
This creature enters with a +1/+1 counter on it for each time it was kicked.

Equipped creature gets +3/+3 and has ward .
Equip . This ability costs less to activate for each other Equipment you control.

Flying
Corrupted — As long as an opponent has three or more poison counters, this creature has double strike.

Protection from black
: Exile target card from a graveyard.

( can be paid either with or 2 life.)
Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Flying
When this creature enters, if you control another Spirit, you gain 3 life.