Tap an untapped Cephalid you control: Tap target permanent.

{U}{U}{U}: Tap all creatures without flying.

As long as Adanto Vanguard is attacking, it gets +2/+0.

Pay 4 life: Adanto Vanguard gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

{2}{U}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

Ultimate Sacrifice -- {1}{U}, Sacrifice Adric: Counter target activated or triggered ability.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Flying

{U}: Advanced Hoverguard gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flying

{2}{U}, Discard two cards: Return Advanced Stitchwing from your graveyard to the battlefield tapped.

Whenever Aethergeode Miner attacks, you get {E}{E} (two energy counters).

Pay {E}{E}: Exile Aethergeode Miner, then return it to the battlefield under its owner's control.

{U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step.

{U}: Aetherling can't be blocked this turn.

{1}: Aetherling gets +1/-1 until end of turn.

{1}: Aetherling gets -1/+1 until end of turn.

Trample

Altar Golem's power and toughness are each equal to the number of creatures on the battlefield.

Altar Golem doesn't untap during your untap step.

Tap five untapped creatures you control: Untap Altar Golem.

Defender

{2}: Amaranthine Wall gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

{2}: Target white creature gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

{1}: Until end of turn, Argivian Avenger gets -1/-1 and gains your choice of flying, vigilance, deathtouch, or haste.

{1}{W}{W}: Target creature you control gains protection from the color of your choice until end of turn.

{1}{U}{U}: Armored Guardian gains shroud until end of turn. (It can't be the target of spells or abilities.)

{S}{S}: Ascendant Spirit becomes a Spirit Warrior with base power and toughness 2/3.

{S}{S}{S}: If Ascendant Spirit is a Warrior, put a flying counter on it and it becomes a Spirit Warrior Angel with base power and toughness 4/4.

{S}{S}{S}{S}: If Ascendant Spirit is an Angel, put two +1/+1 counters on it and it gains "Whenever this creature deals combat damage to a player, draw a card."

{2}{W}, {T}, Discard a card: Exile target attacking creature. Its controller gains life equal to its toughness.

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

{U}: Blockade Runner can't be blocked this turn.

{W}: Brightling gains vigilance until end of turn.

{W}: Brightling gains lifelink until end of turn.

{W}: Return Brightling to its owner's hand.

{1}: Brightling gets +1/-1 or -1/+1 until end of turn.

{T}: Target player draws two cards, then discards two cards.

Discard a card: Cephalid Inkshrouder gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)

{1}{W}{W}, {T}, Discard a card: The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

{2}: Regenerate Clay Statue.

Mage Hand -- {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it.

Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities.

{1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

Flying

{W}{W}: Target creature gains indestructible until end of turn.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Flying, lifelink

Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn.

Whenever Dream Trawler attacks, draw a card.

Discard a card: Dream Trawler gains hexproof until end of turn. Tap it.

{2}, {T}: Put a +1/+1 counter on Drillworks Mole and a +1/+1 counter on up to one target commander creature you control.

{1}{W}: Target permanent you control gains protection from white until end of turn.

{1}: Target spell or permanent becomes white until end of turn.

When Electrostatic Pummeler enters the battlefield, you get {E}{E}{E} (three energy counters).

Pay {E}{E}{E}: Electrostatic Pummeler gets +X/+X until end of turn, where X is its power.

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand.

{X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.

Activated abilities of creature cards in your graveyard cost {1} less to activate.

Tap an untapped Zombie you control: Target player mills a card.

{U}, {T}: Target creature can't be blocked this turn.

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Farmstead Gleaner doesn't untap during your untap step.

{2}, {Q}: Put a +1/+1 counter on Farmstead Gleaner. ({Q} is the untap symbol.)

{2}, Discard a card: Put a +1/+1 counter on Flowstone Sculpture or Flowstone Sculpture gains flying, first strike, or trample. (This effect lasts indefinitely.)

As long as Futurist Operative is tapped, it's a Human Citizen with base power and toughness 1/1 and can't be blocked.

{2}{U}: Untap Futurist Operative.

Whenever Ghostly Pilferer becomes untapped, you may pay {2}. If you do, draw a card.

Whenever an opponent casts a spell from anywhere other than their hand, draw a card.

Discard a card: Ghostly Pilferer can't be blocked this turn.

Haste

{1}: Gingerbrute can't be blocked this turn except by creatures with haste.

{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

Flying

{1}{U}: Untap Glimmerbell.

Flying

{U}: Glimmering Angel gains shroud until end of turn. (It can't be the target of spells or abilities.)

Pay 2 life: Glorifier of Dusk gains flying until end of turn.

Pay 2 life: Glorifier of Dusk gains vigilance until end of turn.

{W}, {T}, Discard a card: Create a 1/1 white Kithkin Soldier creature token named Goldmeadow Harrier. It has "{W}, {T}: Tap target creature."

{2}: Target artifact creature gets +1/+1 until end of turn.

{2}: Target artifact creature gains your choice of flying, trample, or haste until end of turn.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Whenever Guardian of New Benalia enlists a creature, scry 2.

Discard a card: Guardian of New Benalia gains indestructible until end of turn. Tap it.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Flying

Hexavus enters the battlefield with six +1/+1 counters on it.

{1}, Remove a +1/+1 counter from Hexavus: Put a flying counter on another target creature.

{1}, Remove a counter from another creature you control: Put a +1/+1 counter on Hexavus.

{U}: Untap Horseshoe Crab.

{3}: Hypnotic Grifter connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip {3}

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{2}{U}, {T}, Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

When Janjeet Sentry enters the battlefield, you get {E}{E} (two energy counters).

{T}, Pay {E}{E}: You may tap or untap target artifact or creature.

{2}: Regenerate target artifact creature.

{0}: Until end of turn, Jodah's Avenger gets -1/-1 and gains your choice of double strike, protection from red, vigilance, or shadow. (A creature with shadow can block or be blocked by only creatures with shadow.)

Junk Golem enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, sacrifice Junk Golem unless you remove a +1/+1 counter from it.

{1}, Discard a card: Put a +1/+1 counter on Junk Golem.

When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle.

{X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.

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

{T}: Prevent all damage that would be dealt to target legendary creature this turn.

Flying

{1}{U}, {Q}: Target opponent exiles the top card of their library. Until end of turn, you may play that card. ({Q} is the untap symbol.)

Flying

{2}, {Q}: Add one mana of any color. ({Q} is the untap symbol.)

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get {E}{E} (two energy counters).

Pay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Vigilance

Robaran Mercenaries has all activated abilities of all legendary creatures you control.

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Walking Ballista enters with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.