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 {B} in the mana costs of permanents you control counts toward your devotion to black.)

At the beginning of your upkeep, sacrifice a creature.

This spell can't be countered.

Destroy target nonland permanent with mana value 3 or less.

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

Sacrifice a creature: Add {C}{C}.

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

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.

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

Flying

{T}: Add one mana of any color.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

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

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

Carrion Feeder can't block.

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

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

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

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

When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.

Flash

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

{1}{G}, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

{T}: Add {G}.

Vigilance, trample, haste

When End-Raze Forerunners enters the battlefield, other creatures you control get +2/+2 and gain vigilance and trample until end of turn.

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value.

When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Flying

Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {G}.

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

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

{T}: Add {C}.

{2}{B}{G}, {T}, Sacrifice a creature: Draw a card.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever another nontoken creature you control dies, draw a card.

Choose one --

• Destroy target creature with no counters on it.

• Remove up to three counters from target creature.

Destroy target creature or planeswalker.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

Flying, deathtouch

When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.

{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.

Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Flying

When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{T}: Add {G}.

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.

Whenever another creature you control dies, you get an experience counter.

At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.

When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1 green Ooze creature tokens."

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

Destroy target artifact or enchantment. Its controller gains 4 life.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

Whenever Pathbreaker Ibex attacks, creatures you control gain trample and get +X/+X until end of turn, where X is the greatest power among creatures you control.

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

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever another creature dies, each opponent loses 1 life.

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

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

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Return target creature card from your graveyard to your hand.

Threshold -- Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.

{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.

Sacrifice another creature: Yahenni gains indestructible until end of turn.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.