Flying

When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)

At the beginning of your upkeep, sacrifice a creature.

At the beginning of combat on your turn, if you control a Basri planeswalker, put a +1/+1 counter on Adherent of Hope.

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

−2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."

0: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

Sacrifice Alchemist's Apprentice: Draw a card.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Flying

When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.

When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.

, , Sacrifice Apprentice Necromancer: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

: Apprentice Sorcerer deals 1 damage to any target. Activate only during your turn, before attackers are declared.

, : Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

Legendary creatures don't untap during their controllers' untap steps.

When Arena of the Ancients enters the battlefield, tap all legendary creatures.

Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster.

: Add .

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Spells and abilities your opponents control can't cause their controller to search their library.

−1: Target player mills four cards. Then exile each opponent's graveyard.

Enchant artifact or creature

When Awakened Awareness enters the battlefield, put X +1/+1 counters on enchanted permanent.

As long as enchanted permanent is a creature, it has base power and toughness 1/1.

Barren Moor enters the battlefield tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

: Prevent the next 1 damage that would be dealt to any target this turn.

Put a -1/-1 counter on Barrenton Medic: Untap Barrenton Medic.

Each creature you control assigns combat damage equal to its toughness rather than its power.

First strike

Belligerent Hatchling enters the battlefield with four -1/-1 counters on it.

Whenever you cast a red spell, remove a -1/-1 counter from Belligerent Hatchling.

Whenever you cast a white spell, remove a -1/-1 counter from Belligerent Hatchling.

Trample

Whenever you cast a spell, Belligerent Regisaur gains indestructible until end of turn.

Landfall — Whenever a land enters the battlefield under your control, Belligerent Whiptail gains first strike until end of turn.

Equipped creature has base power and toughness 10/10.

Equip . This ability costs less to activate, where X is the power of the creature it targets.

Creatures you control are artifacts in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Whenever you cast an artifact spell, you lose 1 life and create a 2/2 black Necron Warrior artifact creature token.

Cast this spell only before the combat damage step.

Target attacking or blocking creature gets +4/+0 until end of turn. Destroy that creature at the beginning of the next end step.

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice an artifact: Choose one —

• Exile the top card of your library. Until the end of your next turn, you may play that card.

• Target creature gets +2/+0 until end of turn.

Target creature gets +2/+2 and gains trample until end of turn. Untap it.

Protection from red

Sacrifice Burrenton Forge-Tender: Prevent all damage a red source of your choice would deal this turn.

Put a +1/+1 counter on target creature and untap it.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

When Cao Ren, Wei Commander enters the battlefield, you lose 3 life.

Castle Garenbrig enters the battlefield tapped unless you control a Forest.

: Add .

, : Add six . Spend this mana only to cast creature spells or activate abilities of creatures.

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

Flash (You may cast this spell any time you could cast an instant.)

Flying

Return target nonland permanent to its owner's hand. Then that player discards a card if you control a Zombie.

Target creature gets +4/+4 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Target creature gets +2/+2 until end of turn. Another target creature gets -2/-2 until end of turn.

When Court of Garenbrig enters the battlefield, you become the monarch.

At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control.

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever you discard a card, you may exile that card from your graveyard.

, : Draw a card, then discard a card.

: Put a card exiled with Currency Converter into your graveyard. If it's a land card, create a Treasure token. If it's a nonland card, create a 2/2 black Rogue creature token.

All creatures get -2/-2 until end of turn. Whenever a creature dies this turn, you gain 1 life.

Lifelink

Cards in graveyards can't be the targets of spells or abilities.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Whenever a blue creature enters the battlefield under your control, you may have target player draw a card.

Whenever a black creature enters the battlefield under your control, you may have target player discard a card.

Tap up to two target creatures.

Cycling (, Discard this card: Draw a card.)

Flash

Flying

Dreamcaller Siren can block only creatures with flying.

When Dreamcaller Siren enters the battlefield, if you control another Pirate, tap up to two target nonland permanents.

Flying

When Eccentric Apprentice enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

At the beginning of combat on your turn, if you've completed a dungeon, up to one target creature becomes a Bird with base power and toughness 1/1 and flying until end of turn.

Create two 1/1 red Goblin creature tokens.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Draw three cards, then discard a card.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library.

You can't play lands or cast spells from your hand.

: Destroy Experimental Frenzy.

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

Trample

Whenever Fangren Pathcutter attacks, attacking creatures gain trample until end of turn.

Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield.