Flash When Ambush Gigapede enters the battlefield, target creature an opponent controls gets -2/-2 until end of turn.

Flying Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Ghastbark Twins can block an additional creature each combat.

Rhox Pummeler enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Rhox Pummeler has trample as long as it has a shield counter on it.

Whenever you cast a creature spell, draw a card.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Creatures you control get +3/+3 and gain trample until end of turn.

{T}: Add one mana of any color in your commander's color identity.

Festering Gulch enters the battlefield tapped. When Festering Gulch enters the battlefield, it deals 1 damage to target opponent. {T}: Add {B} or {G}.

({T}: Add {G}.)

Foul Orchard enters the battlefield tapped. {T}: Add {B} or {G}.

Golgari Guildgate enters the battlefield tapped. {T}: Add {B} or {G}.

You have no maximum hand size. {T}: Add {C}.

Flying If damage would be dealt to you, prevent that damage and mill twice that many cards.

Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Trample Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard. At the beginning of your upkeep, mill two cards.

Permanents you control gain hexproof and indestructible until end of turn.

{T}: Add one mana of any color in your commander's color identity.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Add {B}{B}{B}.

{G}, Sacrifice Dawntreader Elk: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {G}.

When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}, {T}: Add {B}{G}.

Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.) When you cycle Krosan Tusker, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

Sacrifice a creature: Add one mana of any color.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}.

You have no maximum hand size. {T}: Add {C}.

Flying (This creature can't be blocked except by creatures with flying or reach.) {5}{B}{B}: Return target creature card from your graveyard to the battlefield tapped.

Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the beginning of the next end step.

Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

{1}, Sacrifice Cankerbloom: Choose one — • Destroy target artifact. • Destroy target enchantment. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

If you control a commander, you may cast this spell without paying its mana cost. Exile target creature.

Target creature gets +3/+3 until end of turn. All creatures able to block it this turn do so.

Flash Whenever a creature you control dies, each opponent sacrifices a creature.

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Exile target creature or planeswalker.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Whenever a creature you control dies, each other player sacrifices a creature.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

When Ossuary Rats enters the battlefield, it deals X damage to target creature or planeswalker an opponent controls, where X is the number of creature cards in your graveyard.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Shadow (This creature can block or be blocked by only creatures with shadow.) If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Search your library for a card, put that card into your graveyard, then shuffle.