Flying

When Aven Tactician enters the battlefield, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Flying

, Discard a card: Aven Trooper gets +1/+2 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Target player reveals the top card of their library.

Whenever Avenging Druid deals damage to an opponent, you may reveal cards from the top of your library until you reveal a land card. If you do, put that card onto the battlefield and put all other cards revealed this way into your graveyard.

Changeling (This card is every creature type.)

Flying

When Aviation Pioneer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Target creature gets +3/+3 and gains trample until end of turn.

The next time target creature would deal damage this turn, prevent that damage. You gain life equal to the damage prevented this way.

Boast — : Untap Axgard Braggart. Put a +1/+1 counter on it. (Activate only if this creature attacked this turn and only once each turn.)

Axiom Engraver enters the battlefield with two oil counters on it.

, Remove an oil counter from Axiom Engraver, Discard a card: Draw a card.

Flying

: Azimaet Drake gets +1/+0 until end of turn. Activate only once each turn.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

: Add .

Flying, protection from enchantments

Vigilance

Azorius Knight-Arbiter can't be blocked.

, : Add .

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

When Azra Smokeshaper enters the battlefield, target creature you control gains indestructible until end of turn.

When Azure Fleet Admiral enters the battlefield, you become the monarch.

Azure Fleet Admiral can't be blocked by creatures the monarch controls.

Defender

As long as there are two or more counters among creatures you control, Backstreet Bruiser can attack as though it didn't have defender.

Delirium — Backwoods Survivalists gets +1/+1 and has trample as long as there are four or more card types among cards in your graveyard.

Target creature's base power perpetually becomes 0.

Whenever Bag End Porter attacks, it gets +X/+X until end of turn, where X is the number of legendary creatures you control.

Destroy target creature. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

When Bala Ged Scorpion enters the battlefield, you may destroy target creature with power 1 or less.

When Balduvian Horde enters the battlefield, sacrifice it unless you discard a card at random.

: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep ." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

When Baleful Beholder enters the battlefield, choose one —

• Antimagic Cone — Each opponent sacrifices an enchantment.

• Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

, , Discard a card: Target creature gains flying until end of turn.

First strike

Ballynock Cohort gets +1/+1 as long as you control another white creature.

Kithkin spells and Soldier spells you cast cost less to cast.

Trample

When Baloth Packhunter enters the battlefield, put two +1/+1 counters on each other creature you control named Baloth Packhunter.

Defender, reach

Channel — , Discard Bamboo Grove Archer: Destroy target creature with flying.

Up to two target creatures you control each deal damage equal to their power to another target creature.

All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Lifelink, haste

CARDNAME gets +3/+3 and has flying, first strike, and lifelink as long as you have one or more emblems.

This spell costs less to cast if it targets a tapped creature.

Exile target creature.

Until end of turn, target creature gains ": Return target nonland permanent to its owner's hand."

Trample

Reinforce 2— (, Discard this card: Put two +1/+1 counters on target creature.)

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

: Add .

, , Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

As long as you control another multicolored permanent, Bant Sureblade gets +1/+1 and has first strike.

Creatures you control get +0/+4 until end of turn.

Discard a card at random: Barbarian Bully gets +2/+2 until end of turn unless a player has Barbarian Bully deal 4 damage to them. Activate only once each turn.

When you control no Swamps, sacrifice Barbarian Outcast.

Choose one —

• Barbed Lightning deals 3 damage to target creature.

• Barbed Lightning deals 3 damage to target player or planeswalker.

Entwine (Choose both if you pay the entwine cost.)