Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.

Forests you control are 1/1 green Elf creatures that are still lands.

{1}{G}, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

Choose one or both --

• Target creature gets +1/+1 until end of turn.

• Return target creature to its owner's hand.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Flying

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

Sacrifice a creature: Put a +1/+1 counter on Bloodflow Connoisseur.

{T}: Search your library for a legendary card, reveal that card, put it into your hand, then shuffle.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

Choose one --

• Destroy target Wall.

• Chaos Charm deals 1 damage to target creature.

• Target creature gains haste until end of turn.

Islands don't untap during their controllers' untap steps.

Choose one or more --

• Clan Defiance deals X damage to target creature with flying.

• Clan Defiance deals X damage to target creature without flying.

• Clan Defiance deals X damage to target player or planeswalker.

Whenever a player casts a spell without asking your permission while casting it, counter that spell.

When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.

All creatures have haste.

Pay 2 life: Regenerate Deepwood Ghoul.

When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.

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

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

At the beginning of each upkeep, if Dreampod Druid is enchanted, create a 1/1 green Saproling creature token.

Put target land on top of its owner's library.

Fire deals 2 damage divided as you choose among one or two targets.

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Tap target permanent.

Draw a card.

Trample

Whenever Fungal Shambler deals damage to an opponent, you draw a card and that opponent discards a card.

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Whenever a creature with flying attacks, it loses flying until end of turn.

Put a -1/-1 counter on each of up to two target creatures.

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Aftermath (Cast this spell only from your graveyard. Then exile it.)

Exile any number of target creatures that have -1/-1 counters on them.

Megamorph {3}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Guardian Shield-Bearer is turned face up, put a +1/+1 counter on another target creature you control.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell.

{2}, {T}, Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

Aura spells you cast cost {1} less to cast.

Heroic -- Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.

Counter target spell that targets you or a permanent you control.

Draw a card.

At the beginning of each upkeep, if no spells were cast last turn, transform Hinterland Logger.

Trample

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Timber Shredder.

Trample

When Hunted Horror enters the battlefield, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

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}

Flying, protection from black

Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

{G}, {T}: Choose target opponent who controlled more creatures than you did as you activated this ability. Create a 2/2 green Beast creature token.

Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process any number of times.

When Lashknife Barrier enters the battlefield, draw a card.

If a source would deal damage to a creature you control, it deals that much damage minus 1 to that creature instead.

Flying

{1}{W}, Sacrifice Lieutenant Kirtar: Exile target attacking creature.

Target creature gets +2/+2 and gains flying until end of turn.

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

Whenever Mistblade Shinobi deals combat damage to a player, you may return target creature that player controls to its owner's hand.

Haste

Mudbrawler Cohort gets +1/+1 as long as you control another red creature.

Destroy target land.

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

First strike (This creature deals combat damage before creatures without first strike.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Search your library for a Forest or Plains card, reveal it, put it into your hand, then shuffle.

Whenever another permanent you control is turned face up, if it's a creature, put two +1/+1 counters on it.

Megamorph {3}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Take an extra turn after this one. Skip the untap step of that turn.

Flying

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

{T}: Add {W} or {U}.

Flash

Enchant creature

Enchanted creature gets +1/+2 and has vigilance.

Addendum -- When Sentinel's Mark enters the battlefield, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.

Serra Avatar's power and toughness are each equal to your life total.

When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Slag Fiend's power and toughness are each equal to the number of artifact cards in all graveyards.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.)

{T}, Pay 1 life: Counter target white spell.

{T}: Add {C}.

{T}: Add {W} or {B}. Activate only if you control a Swamp.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Teferi's Isle enters the battlefield tapped.

{T}: Add {U}{U}.

If a player would begin an extra turn, that player skips that turn instead.

If Ugin's Nexus would be put into a graveyard from the battlefield, instead exile it and take an extra turn after this one.

Play with the top card of your library revealed.

As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.

Target creature gets +1/+2 and gains reach until end of turn. Untap it. (A creature with reach can block creatures with flying.)

When Vizier of the Anointed enters the battlefield, you may search your library for a creature card with eternalize or embalm, put that card into your graveyard, then shuffle.

Whenever you activate an eternalize or embalm ability, draw a card.

Weight of Spires deals damage to target creature equal to the number of nonbasic lands that creature's controller controls.

Destroy all creatures that aren't enchanted. They can't be regenerated.

Trample

Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Protection from green

Players play with their hands revealed.

If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner's graveyard. Otherwise, that player draws a card.