Flying

Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.

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

Landfall — Whenever a land enters the battlefield under your control, you get (an energy counter).

Pay eight : Create a 6/6 colorless Beast artifact creature token.

At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on Archmage Ascension.

As long as Archmage Ascension has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.)

Deathtouch

Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield.

Trample

Cumulative upkeep or (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Reach, lifelink

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

Each other creature you control without a +1/+1 counter on it has outlast .

Create a 2/2 white Knight creature token with vigilance. (Then exile this card. You may cast the enchantment later from exile.)

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

When you planeswalk to Aretopolis and at the beginning of your upkeep, put a scroll counter on Aretopolis, then you gain life equal to the number of scroll counters on it.

When Aretopolis has ten or more scroll counters on it, planeswalk.

Whenever chaos ensues, put a scroll counter on Aretopolis, then draw cards equal to the number of scroll counters on it.

When Aria of Flame enters the battlefield, each opponent gains 10 life.

Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters the battlefield with an additional +1/+1 counter on it.

−3: Create two 2/2 green Wolf creature tokens.

At the beginning of your upkeep, put a doom counter on Armageddon Clock.

At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.

: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Ward (Whenever this permanent becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Equipped creature gets +2/+1 and has ward .

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

When Armorcraft Judge enters the battlefield, draw a card for each creature you control with a +1/+1 counter on it.

Armored Scrapgorger gets +3/+0 as long as it has three or more oil counters on it.

: Add one mana of any color.

Whenever Armored Scrapgorger becomes tapped, exile target card from a graveyard and put an oil counter on Armored Scrapgorger.

Whenever you crank Arms Depot, put two +1/+1 counters on target creature.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

: Target creature gains flying until end of turn.

As Arsenal Thresher enters the battlefield, you may reveal any number of other artifact cards from your hand. Arsenal Thresher enters the battlefield with a +1/+1 counter on it for each card revealed this way.

Modified creatures you control have menace. (Equipment, Auras you control, and counters are modifications.)

When Artillery Enthusiast enters the battlefield, you may discard a card. If you do, seek a card with mana value equal to that card's mana value. (To seek a card, put one at random from your library into your hand.)

Whenever you scry, put a +1/+1 counter on target creature.

: Scry 2.

Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Arwen, Weaver of Hope's toughness.

Hexproof

Whenever you roll a die, put a number of luck counters on As Luck Would Have It equal to the result. Then if there are 100 or more luck counters on As Luck Would Have It, you win the game. (Count both rolls if you reroll a die.)

Ascendant Packleader enters the battlefield with a +1/+1 counter on it if you control a permanent with mana value 4 or greater.

Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on Ascendant Packleader.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II — Choose a creature you control. Until your next turn, all damage that would be dealt to creatures you control is dealt to that creature instead.

III — Return target creature card from your graveyard to the battlefield with a flying counter on it. That creature is an Angel Warrior in addition to its other types.

The first nonlegendary artifact spell you cast each turn has casualty 2. (As you cast it, you may sacrifice a creature with power 2 or greater. When you do, copy it. A copy of an artifact spell becomes a token.)

Whenever you sacrifice another creature, put a +1/+1 counter on Ashad, the Lone Cyberman.

If you would pay life while your library has at least that many cards in it, exile that many cards from the top of your library instead.

+1: Look at the top two cards of your library. Exile one of them and put the other into your hand.

−2: Create two 1/1 black Nightmare creature tokens with "At the beginning of combat on your turn, if a card was put into exile this turn, put a +1/+1 counter on this creature."

−7: Target player exiles the top X cards of their library, where X is the total mana value of cards you own in exile.

, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

Until end of turn, target creature gets +1/+3 and gains flying and toxic 1. (Players dealt combat damage by that creature also get a poison counter.)

When Assaultron Dominator enters the battlefield, you get (two energy counters).

Whenever an artifact creature you control attacks, you may pay . If you do, put your choice of a +1/+1, first strike, or trample counter on that creature.

Creatures you control have reach.

Sacrifice Assemble the Entmoot: Create three tapped X/X green Treefolk creature tokens, where X is the amount of life you gained this turn. Put a reach counter on each of them.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Put a +1/+1 counter on target creature. That creature gains indestructible until end of turn.

Astral Cornucopia enters the battlefield with X charge counters on it.

: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Atarka Efreet is turned face up, it deals 1 damage to any target.

Whenever you cast a noncreature spell, put an oil counter on Atmosphere Surgeon.

Remove an oil counter from Atmosphere Surgeon: Target creature gains flying until end of turn. Activate only as a sorcery.

Whenever you roll a 1 or 2, put that many +1/+1 counters on Atomwheel Acrobats.

: Roll a six-sided die.

Atraxa's Skitterfang enters the battlefield with three oil counters on it.

At the beginning of combat on your turn, you may remove an oil counter from Atraxa's Skitterfang. When you do, target creature you control gains your choice of flying, vigilance, deathtouch, or lifelink until end of turn.

Choose target creature. Roll X six-sided dice. For each even result, put two -1/-1 counters on that creature. For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.

Flying

Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte, Bad Influence.

, , Remove X +1/+1 counters from Auntie Blyte: It deals X damage to any target.

Whenever a creature deals damage to you, put a gold counter on it.

Each creature with a gold counter on it is a Wall in addition to its other creature types and has defender. (Those creatures can't attack.)

When Aurification leaves the battlefield, remove all gold counters from all creatures.

Whenever one or more artifact creatures you control deal combat damage to a player, you get (an energy counter).

Pay : Create a tapped 3/3 colorless Robot artifact creature token.

Spells you control can't be countered by blue or black spells this turn, and creatures you control can't be the targets of blue or black spells this turn.

Reach, trample

Avatar of the Resolute enters the battlefield with a +1/+1 counter on it for each other creature you control with a +1/+1 counter on it.

Flying

When Aven Eternal enters the battlefield, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Flying

At the beginning of your upkeep, you may put a feather counter on target creature. If you do, that creature has base power and toughness 3/1 and has flying for as long as it has a feather counter on it.

Flying

Double strike (This creature deals both first-strike and regular combat damage.)

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

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.)

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Flying

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

When you cycle Avian Oddity, put a flying counter on target creature you control.

Awaken the Maelstrom is all colors.

Target player draws two cards. You may put an artifact card from your hand onto the battlefield. Create a token that's a copy of a permanent you control. Distribute three +1/+1 counters among one, two, or three creatures you control. Destroy target permanent an opponent controls.