Sacrifice Aerie Ouphes: It deals damage equal to its power to target creature with flying.

Persist (When this creature 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.)

Enchant creature

When Ancestral Vengeance enters, put a +1/+1 counter on target creature you control.

Enchanted creature gets -1/-1.

Flying

Modular 3 (This creature enters with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Whenever another artifact you control enters, target creature an opponent controls gets -1/-1 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.

When Banewhip Punisher enters, you may put a -1/-1 counter on target creature.

, Sacrifice Banewhip Punisher: Destroy target creature that has a -1/-1 counter on it.

First strike

Belligerent Hatchling enters with four -1/-1 counters on it.

Whenever you cast a red spell, remove a -1/-1 counter from Belligerent Hatchling.

Whenever you cast a white spell, remove a -1/-1 counter from Belligerent Hatchling.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Blazethorn Scarecrow has haste as long as you control a red creature.

Blazethorn Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)

Equipped creature gets +1/+0 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)

Equip

Reach (This creature can block creatures with flying.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

As Canker Abomination enters, choose an opponent. Canker Abomination enters with a -1/-1 counter on it for each creature that player controls.

Create two 1/1 green Phyrexian Insect creature tokens with infect. (They deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Choose any number of target creatures. Each of those creatures 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.)

Chainbreaker enters with two -1/-1 counters on it.

, : Remove a -1/-1 counter from target creature.

When Channeler Initiate enters, put three -1/-1 counters on target creature you control.

, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Regenerate Cinderbones.

Enchant creature

Enchanted creature gets +3/+3 and has "At the beginning of your upkeep, put a -1/-1 counter on this creature."

When Contagion Clasp enters, put a -1/-1 counter on target creature.

, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Corpse Cur enters, you may return target creature card with infect from your graveyard to your hand.

Enchant creature

You control enchanted creature.

Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Decimator Beetle enters, put a -1/-1 counter on target creature you control.

Whenever Decimator Beetle attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.

Trample

Deity of Scars enters with two -1/-1 counters on it.

, Remove a -1/-1 counter from Deity of Scars: Regenerate Deity of Scars.

Choose target creature. You get (two energy counters), then you may pay any amount of . The creature gets -1/-1 until end of turn for each paid this way.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Duergar Cave-Guard gets +1/+0 until end of turn.

Whenever Dusk Urchins attacks or blocks, put a -1/-1 counter on it.

When Dusk Urchins dies, draw a card for each -1/-1 counter on it.

Etched Monstrosity enters with five -1/-1 counters on it.

, Remove five -1/-1 counters from Etched Monstrosity: Target player draws three cards.

When Exemplar of Strength enters, put three -1/-1 counters on target creature you control.

Whenever Exemplar of Strength attacks, remove a -1/-1 counter from it. If you do, you gain 1 life.

: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Creatures your opponents control get -1/-1 until end of turn. Exile Festering March with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Put a -1/-1 counter on target creature.

Reach

When Flavor Disaster enters the battlefield or when it's turned face up, target creature gets +X/+X until end of turn, where X is Flavor Disaster's power.

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

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Sacrifice a creature: Flesh-Eater Imp gets +1/+1 until end of turn.

Flying

When Foundry Hornet enters, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.

When Furystoke Giant enters, other creatures you control gain ": This creature deals 2 damage to any target" until end of turn.

Persist (When this creature 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.)

Flying

, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature 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.)

Enchant creature

Enchanted creature has infect.

At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.

When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.

Sacrifice Gore Vassal: Put a -1/-1 counter on target creature. Then if that creature's toughness is 1 or greater, regenerate it.

: Add .

, , Sacrifice Grasping Dunes: Put a -1/-1 counter on target creature. Activate only as a sorcery.

, Sacrifice Grazing Kelpie: Put target card from a graveyard on the bottom of its owner's library.

Persist (When this creature 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.)

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Other creatures you control with infect get +1/+1.

Whenever you cast a creature spell with infect, target player gets a poison counter.

Target creature you control gains hexproof until end of turn. Remove all -1/-1 counters from it. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

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

I — Mill three cards. You may put an Elf or Tyvar card from your graveyard onto the battlefield.

II — Put a +1/+1 counter on each Elf you control.

III — Whenever an Elf you control attacks this turn, target creature an opponent controls gets -1/-1 until end of turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.)